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CN108884040A - Novel dihydroxy compounds - Google Patents

Novel dihydroxy compounds Download PDF

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Publication number
CN108884040A
CN108884040A CN201780022066.2A CN201780022066A CN108884040A CN 108884040 A CN108884040 A CN 108884040A CN 201780022066 A CN201780022066 A CN 201780022066A CN 108884040 A CN108884040 A CN 108884040A
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phenyl
carbon atom
general formula
reaction
bis
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沟口隼
路绪旺
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Honshu Chemical Industry Co Ltd
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Honshu Chemical Industry Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04Indoles; Hydrogenated indoles
    • C07D209/30Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
    • C07D209/32Oxygen atoms
    • C07D209/34Oxygen atoms in position 2
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04Aromatic polycarbonates
    • C08G64/06Aromatic polycarbonates not containing aliphatic unsaturation
    • C08G64/08Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen
    • C08G64/12Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen containing nitrogen

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Indole Compounds (AREA)

Abstract

The raw materials such as aromatic copolycarbonate oligomer or resin, novel dihydroxy compounds with indoline skeleton are suitable as the subject of the invention is to provide a kind of.The above subject can be solved by dihydroxy compounds shown in the following general formula (1).

Description

Novel dihydroxy compounds
Technical field
The present invention relates to novel dihydroxy compounds.In particular it relates to being suitable as aromatic copolycarbonate oligomer Or the raw materials such as resin, dihydroxy compounds with indoline skeleton.
Background technique
In the past, double benzene oxygen alcohols (hydrogen atom of the hydroxyl of bisphenols is substituted by the compound of hydroxy alkyl) were used for poly- carbon The thermosetting resins raw materials such as the thermoplastic synthetic resins such as acid ester resin raw material, epoxy resin, antioxidant raw material, thermosensitive recording body The purposes such as raw material, photoresists raw material become higher and higher to performance required by these double benzene oxygen alcohols in recent years.
Further, it has been known that there is bis- (4- (2- hydroxyl-oxethyl) benzene of 3, the 3- with isoindoline skeleton for double benzene oxygen alcohols Base) -2- phenyl benzyl first lactams (non-patent literature 1).But the heat resistance of the compound, optical characteristics etc. and insufficient, it Ask further improvement.
Existing technical literature
Non-patent literature
Non-patent literature 1:Izvestiya Akademii Nauk Gruzinskoi SSR,Seriya Khimicheskaya,1985,vol.11,p.78-80
Summary of the invention
Problems to be solved by the invention
The present invention completed using above situation as background, project be high-fire resistance is provided, high refractive index has The novel dihydroxy compounds of indoline skeleton.
Means for solving the problems
The inventors of the present invention make great efforts discussion in order to solve the above problems, as a result, it has been found that (3,3- is bis- compared to previous compound (4- (2- hydroxyl-oxethyl) phenyl) -2- phenyl benzyl first lactams), in bis- (4- (the 2- hydroxyl second of 3, the 3- with indoline skeleton Oxygroup) phenyl) -1- phenyl -1H- indole-2-ketone hydroxy phenyl skeleton on compound made of substituted-phenyl with more height Heat resistance, high refractive index, so as to complete the present invention.
The present invention is as described below.
1. dihydroxy compounds shown in the following general formula (1):
(in formula, R each independently represents the alkylidene of carbon atom number 2 to 6, R1Each independently represent carbon atom number 1 to Alkoxy, phenyl or the halogen atom of 8 alkyl, carbon atom number 1 to 8, R2Each independently represent hydrogen atom, carbon atom number 1 To 8 alkyl, carbon atom number 1 to 8 alkoxy or halogen atom, R3Indicate the alkyl of carbon atom number 1 to 8, carbon atom number 1 to 8 alkoxy or halogen atom, m indicate that 0 to 2 integer, n indicate 0 to 2 integer, still, R when m is 21It can be identical or not Together, R when n is 23It may be the same or different).
Invention effect
It is high-fire resistance by the dihydroxy compounds that the present invention obtains and there is high refractive index, therefore it can be expected that as optics material Expect the excellent effect of the resin raw materials such as polycarbonate, polyester, epoxy resin, the acrylic resin of purposes.
Further, the polycarbonate using dihydroxy compounds of the invention as starting monomer is high-purity and it can be expected that tool There are a high-fire resistance, high refractive index, especially it can be expected that excellent effect in terms of optical material polycarbonate.
Specific embodiment
Hereinafter, the present invention will be described in detail.
Dihydroxy compounds of the invention is indicated by the following general formula (1):
(in formula, R each independently represents the alkylidene of carbon atom number 2 to 6, R1Each independently represent carbon atom number 1 to Alkoxy, phenyl or the halogen atom of 8 alkyl, carbon atom number 1 to 8, R2Each independently represent hydrogen atom, carbon atom number 1 To 8 alkyl, carbon atom number 1 to 8 alkoxy or halogen atom, R3Indicate the alkyl of carbon atom number 1 to 8, carbon atom number 1 to 8 alkoxy or halogen atom, m indicate that 0 to 2 integer, n indicate 0 to 2 integer, wherein R when m is 21It can be identical or not Together, R when n is 23It may be the same or different).
In above-mentioned general formula (1), R is each independently the alkylidene of carbon atom number 2 to 6, and alkylidene can specifically be enumerated Such as 1, the Asia 2- second diyl, 1,2- propane diyl, 1,3- propane diyl, pentamethylene, hexa-methylene etc., but preferably carbon atom The straight-chain or branched alkylidene of number 2 to 4, the particularly preferably alkylidene of carbon atom number 2 or 3.Illustrate above-mentioned general formula herein (1) hydroxy alkoxy base shown in "-the O-R-OH " in, the bonding position for being bonded to the hydroxyl of alkylidene R are not to be bonded to composition With the carbon atom (1 carbon atom) of the alkylidene R of ether Direct Bonding.When R is the alkylidene of 3 or more carbon atom number, hydroxyl Bonding position is preferably the two or three-digit of alkylidene " R ", wherein more preferably 2.Such as 2- hydroxyl second can specifically be enumerated Oxygroup, 2- hydroxy propyloxy group, 2- hydroxyl -1- methyl ethoxy, 3- hydroxy propyloxy group etc..
R1It is each independently the alkyl of carbon atom number 1 to 8, the alkoxy of carbon atom number 1 to 8, phenyl or halogen atom, R1For carbon atom number 1 to 8 alkyl when, alkyl is preferably the straight-chain or branched-chain alkyl of carbon atom number 1 to 4, specifically It can enumerate such as methyl, ethyl, n-propyl, isopropyl, isobutyl group.In the range of not undermining effect of the present invention, like this Alkyl can have the substituent group such as phenyl, alkoxy.
In addition, R1For carbon atom number 1 to 8 alkoxy when, alkoxy is preferably the straight-chain or branch of carbon atom number 1 to 4 Chain alkoxy can specifically be enumerated such as methoxyl group, ethyoxyl, positive propoxy, isopropoxy.Do not undermining the present invention In the range of effect, such a alkoxy can have the substituent group such as phenyl, alkoxy.
In addition, R1When for phenyl, in the range of not undermining effect of the present invention, phenyl can have such as alkyl, alkoxy Equal substituent groups, but preferably unsubstituted phenyl.
In addition, R1When for halogen atom, it is former that halogen atom can specifically enumerate fluorine atom, chlorine atom, bromine atom or iodine Son.
R1Preferably methyl or phenyl.
R2It is former to be each independently hydrogen atom, the alkyl of carbon atom number 1 to 8, the alkoxy or halogen of carbon atom number 1 to 8 Son, R3For the alkyl of carbon atom number 1 to 8, the alkoxy or halogen atom of carbon atom number 1 to 8, R2、R3For carbon atom number 1 to 8 When alkyl, preferred group or concrete example are and R1Carbon atom number 1 to 8 alkyl preferred group or the identical phase of concrete example Together, R2、R3For the alkoxy or halogen atomic time of carbon atom number 1 to 8, similarly preferred group or concrete example be respectively and R1's The preferred group or concrete example of the alkoxy or halogen atom of carbon atom number 1 to 8 are identical.R2Preferably hydrogen atom or first Base, R3Preferably methyl.
Further, in above-mentioned general formula (1), m 0,1 or 2, preferably 0 or 1, particularly preferably 0, n 0,1 or 2, preferably It is 0 or 1, particularly preferably 0.
In addition, in above-mentioned general formula (1), about replace with the phenyl of 3 carbon atom Direct Bondings of indoline skeleton "- O-R-OH " base and phenyl and R1The position of substitution, firstly, "-O-R-OH " base preferably relative to 3 with indoline skeleton Replaced for the phenyl carbon atom of position carbon atom Direct Bonding in 4 or 2, is more preferably replaced at 4.
In addition, phenyl is replaced preferably for above-mentioned "-O-R-OH " base at ortho position or contraposition, as "-O-R- OH " base phase for the phenyl carbon atom of the 3 of indoline skeleton carbon atom Direct Bonding when replacing for 4, it is excellent It is selected as being replaced in 3 or 5, when "-O-R-OH " base is in 2 substitutions, preferably be replaced in 3 or 5.
Further, in above-mentioned general formula (1), R1Preferably for above-mentioned "-O-R-OH " base ortho position or align into Row replaces, when "-O-R-OH " base for aforementioned and 3 carbon atom Direct Bondings of indoline skeleton phenyl carbon atoms 4 replace and phenyl in 3 substitution, preferably replaced at 5, when "-O-R-OH " base 2 substitutions and phenyl exist When 3 substitutions, preferably replaced at 5, when "-O-R-OH " base 2 replace and phenyl in 5 substitutions, preferably Replaced at 3.
Further, when m is 2, R1The position of substitution be preferably:Relative to aforementioned straight with 3 carbon atoms of indoline skeleton For connecing the phenyl carbon atom of bonding, "-O-R-OH " base is in 4, phenyl in 3, R1Replaced in 5 and 6;Or "-O- R-OH " base is in 4, phenyl in 3, R1Replaced in 2 and 5.
Therefore, dihydroxy compounds shown in above-mentioned general formula (1) is preferably shown in the following general formula (3):
(in formula, R1、R2、R3, m, n and formula (1) R1、R2、R3, m, n it is identical, R4Each independently represent hydrogen atom or carbon The alkyl of atomicity 1 to 4, wherein in the R that each hydroxyl-oxethyl is replaced4Carbon atom number add up to 4 or less).
In above-mentioned general formula (3), R1、R2、R3, the preference of m, n or the R of concrete example and general formula (1)1、R2、R3, m, n it is preferred Example or concrete example are identical.Further, R4For carbon atom number 1 to 4 alkyl when, can specifically enumerate such as methyl, second Base, n-propyl etc..Wherein, R4In preferably hydrogen atom or methyl.
In dihydroxy compounds shown in above-mentioned general formula (3), when m is 1, R1The position of substitution preferably relative to indoles At 5 for the phenyl carbon atom of 3 carbon atom Direct Bondings of quinoline skeleton, when m is 2, R1The position of substitution it is preferably opposite In with for the phenyl carbon atom of the 3 of indoline skeleton carbon atom Direct Bonding at 5 and 6 or 2 and 5.
Dihydroxy compounds shown in general formula (1) of the invention can specifically be enumerated for example:
Bis- (4- (2- hydroxyl-oxethyl) -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxy-2-methyl ethyoxyl) -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl -1- methyl ethoxy) -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -5- methyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (5- ethyl -4- (2- hydroxyl-oxethyl) -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -3,5- diphenyl the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -5,6- dimethyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -2,5- dimethyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -3- (4- aminomethyl phenyl) the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -3- (3- aminomethyl phenyl) the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (2- (2- hydroxyl-oxethyl) -5- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (2- (2- hydroxyl-oxethyl) -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -3- phenyl) -1- (4- the aminomethyl phenyl) -1H- indol-2-ones of 3,3-;
Bis- (4- (2- hydroxyl-oxethyl) -3- phenyl) -1- (2- the aminomethyl phenyl) -1H- indol-2-ones of 3,3-;And
Bis- (4- (2- hydroxyl-oxethyl) -3- phenyl) -1- (4- methoxyphenyl) -1H- indol-2-ones of 3,3- etc..
There is no particular restriction for its manufacturing method of dihydroxy compounds shown in above-mentioned general formula (1) of the invention, preferably will Phenylphenol compound shown in N- phenylisatin compound shown in the following general formula (5) and the following general formula (6) as raw material, Them are made to react in the presence of acid catalyst, thus to obtain bisphenol with indoline skeleton shown in the following general formula (7) Object is closed, resulting bisphenol compound is reacted with any one of alkylene carbonate esters, alkylene oxides and halogenation alcohols and can get.
(in formula, R3, n and general formula (1) R3, n it is identical).
R3, n preference or the concrete example also R with general formula (1)3, n preference or concrete example it is identical.
N- phenylisatin compound shown in such a above-mentioned general formula (5) can specifically be enumerated for example:
1- phenyl -1H- indoles -2,3- diketone;
1- (4- aminomethyl phenyl) -1H- indoles -2,3- diketone;
1- (2- aminomethyl phenyl) -1H- indoles -2,3- diketone;And
1- (4- methoxyphenyl) -1H- indoles -2,3- diketone etc..
In addition,
(in formula, R1、R2, m and general formula (1) R1、R2, m it is identical).
R1、R2, m preference or the concrete example also R with general formula (1)1、R2, m preference or concrete example it is identical.
Phenylphenol compound shown in such a above-mentioned general formula (6) specifically can be such as:
2- phenylphenol;
6- methyl -2- phenylphenol;
6- ethyl -2- phenylphenol;
2,6- diphenyl phenol;
5,6- dimethyl -2- phenylphenol;
3,6- dimethyl -2- phenylphenol;
2- (4- aminomethyl phenyl) phenol;And
2- (3- aminomethyl phenyl) phenol etc..
In addition,
(in formula, R1、R2、R3, m, n and general formula (1) R1、R2、R3, m, n it is identical).
R1、R2、R3, m, n preference or the concrete example also R with formula (1)1、R2、R3, m, n preference or concrete example phase Together.
Bisphenol compound shown in above-mentioned general formula (7) is preferably bisphenol compound shown in the following general formula (8):
(in formula, R1、R2、R3, m, n and general formula (1) R1、R2、R3, m, n it is identical).
R1、R2、R3, m, n preference or the concrete example also R with formula (1)1、R2、R3, m, n preference or concrete example phase Together.
Bisphenol compound shown in such a above-mentioned general formula (8) can specifically be enumerated for example:
Bis- (4- hydroxyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxy-5-methyl base -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (5- ethyl -4- hydroxyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxyl -3,5- diphenyl the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxyl -5,6- dimethyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxyl -2,5- dimethyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxyl -3- (4- aminomethyl phenyl) the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxyl -3- (3- aminomethyl phenyl) the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (2- hydroxyl -5- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (2- hydroxyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxyl -3- phenyl) -1- (4- the aminomethyl phenyl) -1H- indol-2-ones of 3,3-;
Bis- (4- hydroxyl -3- phenyl) -1- (2- the aminomethyl phenyl) -1H- indol-2-ones of 3,3-;And
Bis- (4- hydroxyl -3- phenyl) -1- (4- methoxyphenyl) -1H- indol-2-ones of 3,3- etc..
In addition, above-mentioned alkylene carbonate esters are preferably shown in the following general formula (10):
(in formula, R4With the R of general formula (3)4It is identical).
R4Preference or the concrete example also R with general formula (3)4Preference or concrete example it is identical.
Alkylene carbonate esters shown in such a above-mentioned general formula (10) can specifically be enumerated for example:
Ethylene carbonate;
Propylene carbonate;And
1,2- butylene carbonate etc..
Further, above-mentioned alkylene oxides are preferably shown in the following general formula (11):
(in formula, R4With the R of general formula (3)4It is identical).
R4Preference or the concrete example also R with general formula (3)4Preference or concrete example it is identical.
Alkylene oxides shown in such a above-mentioned general formula (11) can specifically be enumerated for example:
Ethylene oxide;
Propylene oxide;And
1,2- epoxy butane etc..
In addition, above-mentioned halogenation alcohols is shown in the following general formula (12):
X-R-OH general formula (12)
(in formula, R is identical as the R of general formula (1), and X indicates halogen atom, wherein X is not on the carbon atom replaced through hydroxyl Replaced).
The preference or concrete example of R is also identical as the preference of the R of general formula (1) or concrete example.
Halogenation alcohols shown in such a above-mentioned general formula (12) specifically can be such as:
Ethylene chlorhydrin;
Ethylene bromohyrin;
The chloro- 1- methyl ethanol of 2-;
The bromo- 1- methyl ethanol of 2-;And
2- chloro-2-methyl ethyl alcohol etc..
The manufacturing method of dihydroxy compounds of the invention is not particularly limited, but is described in detail as an example to be condensed Bisphenol compound shown in reaction synthesis aforementioned formula (7), and using alkylene carbonate esters shown in general formula (10), and manufacture logical The method of the dihydroxy compounds of formula (1).
Condensation reaction is generally to make N- phenylisatin compound shown in above-mentioned general formula (5) in presence of an acid catalyst and lead to Phenylphenol compound shown in formula (6) reacts and carries out.Make N- phenylisatin compound and phenylphenol chemical combination first Object reacts in presence of an acid catalyst, after the resulting reaction mixture of alkali neutralization, carries out partial crystallization, mistake according to known method Filter, and obtain target product.
When reaction, if as long as the addition molar ratio of the phenylphenol compound relative to N- phenylisatin compound is theory It is worth (2.0) or more, is not particularly limited, but usually using more than 2.5 times of mole, preferably 2.5 to 20 times of moles Range, the range of particularly preferably 3 to 10 times moles.
Acid catalyst can enumerate the inorganic acid such as hydrochloric acid, hydrogen chloride gas, 60 to 98% sulfuric acid, 85% phosphoric acid;To first The organic acids such as benzene sulfonic acid, methanesulfonic acid, oxalic acid, formic acid, trichloroacetic acid or trifluoroacetic acid;Solid acids such as heteropoly acid etc..Preferably chlorine Change hydrogen.Such a acid catalyst it is different because of reaction condition it is preferable to use measuring, for example, hydrogen chloride gas when, can will be anti- After answering the air of system to replace with inert gases such as nitrogen, being blown into hydrogen chloride gas makes hydrogen chloride gas in reaction vessel in gas phase Bulk concentration becomes 75 to 100 capacity %, and the hydrogen cloride concentration in reaction solution is made to become saturated concentration.When for 35% hydrochloric acid, phase For 100 parts by weight of phenylphenol compound, used with the range of 5 to 70 parts by weight, preferably the range of 10 to 40 parts by weight, The more preferably range of 20 to 30 parts by weight.
When reaction, optionally cocatalyst can be used together with acid catalyst.Such as use hydrogen chloride gas as When catalyst, use thio-alcohol as cocatalyst, thus can accelerate reaction speed.Such a thio-alcohol can enumerate alkyl Mercaptan carboxylic acid's class of thio-alcohol, mercaptan carboxylic acid, preferably the alkyl sulfide alcohols of carbon atom number 1 to 12, carbon atom number 1 to 12, can Enumerate such as methyl mercaptan, ethanethio, n octylmercaptan, n-laurylmercaptan, the alkali metal salt of classes such as their sodium salt, Thioacetic acid, β-mercaptopropionic acid etc..Further, it is used above to may be used alone or in combination two types for they.
Relative to the N- phenylisatin compound of raw material, the thio-alcohol usage amount as cocatalyst is usually with 1 to 30 The range of mole % uses, the range of preferably 2 to 10 moles %.
In addition, when reaction, related reaction dissolvent, as long as the N- phenylisatin compound of raw material and phenylphenol compound Fusing point is low and operational no problem, then without the necessity for using solvent, but to improve operability, the reaction speed etc. when industrial production It also can be used for reason.As long as reaction dissolvent will not distillate from reactor in reaction temperature and be inertia, nothing to reaction Especially limitation, but the aromatic hydrocarbon such as toluene, dimethylbenzene can be enumerated;The aliphatic alcohols such as methanol, normal propyl alcohol, isobutanol;Hexane, The aliphatic hydrocarbons such as heptane, hexamethylene;The carboxylic acid esters such as ethyl acetate, butyl acetate;Or their mixture.In these preferably To use aliphatic alcohol.
In addition, in order to reduce the freezing point of phenylphenol compound and acid catalyst be promoted to react, therefore can optionally add A small amount of water.When especially acid catalyst is hydrogen chloride gas, because water can promote the absorption of the hydrogen chloride gas of catalyst, therefore it is preferred that. When adding water, relative to 100 parts by weight of phenylphenol compound, additive amount is preferably the range of 0.5 to 5.0 parts by weight.
Reaction temperature is different due to the conditions such as the catalyst that uses, but usually 10 to 60 DEG C, preferably 25 to 50 DEG C of model It encloses.Reaction pressure usually carries out under normal pressure, but according to the boiling point of workable organic solvent, and can also be in pressure or decompression It is lower to carry out so that reaction temperature becomes in aforementioned range.If being reacted under the conditions of such a, react usually 1 to 30 Or so hour terminates.
Reaction end can confirm via liquid chromatography or gas chromatographic analysis.Preferably with unreacted N- phenylisatin Object is closed to disappear and can not confirm that target product increased time point is reaction end.
Reaction yield relative to phenylphenol compound is usually 75 to 95 moles of % or so.
After reaction, the aqueous slkalis such as ammonium hydroxide, sodium hydrate aqueous solution are added into resulting reaction mixture to neutralize Acid catalyst, and obtaining the reaction containing bisphenol compound shown in general formula (7) of the invention terminates mixed liquor.
Known method can be used in the method for terminating mixture separation and purification target product from the reaction.Such as it can will be neutralized Reaction terminate mixed liquor it is directly cooling or be temporarily heated as it is cooling after uniform solution, or after the partial crystallizations solvents such as methanol are added It is cooling that crystallization is precipitated and filters the crystallization being precipitated, thus to obtain crude or high-purity target product.
Such resulting bisphenol compound optionally can further be refined into high-purity product.Especially with as poly- carbon When the raw material dihydroxy phenol of acid esters, high-purity product are preferably formed.Such as again by the crystallization of above-mentioned resulting target product Be dissolved in suitable solvent (such as the aliphatic ketones solvent such as the aromatic solvents such as toluene, methyl ethyl ketone equal solvent), it is cooling or The partial crystallizations solvents such as methanol, water are added and cool down again, partial crystallization, filtering, drying.Or replace above-mentioned partial crystallization operation, and reacting After, autoreaction terminates mixture and is concentrated under reduced pressure reaction dissolvent etc., its residue is refined with col-umn chromatography etc., thus It can get the high-purity product of target product.
Manufacturing method other than the above-mentioned preferable production process of dihydroxy compounds shown in above-mentioned general formula (1) of the invention Example, can enumerate N- phenylisatin compound shown in the following general formula (5) and phenyl benzene oxygen alcohols is anti-in presence of an acid catalyst The method answered and obtained.
Then explanation manufactures the hydroxy alkylated of the dihydroxy compounds of general formula (1) using alkylene carbonate esters.
Hydroxy alkylated usually carries out in the presence of base catalyst.Base catalyst can enumerate such as sodium hydroxide, hydroxide The base catalysts such as potassium, sodium carbonate, potassium carbonate;The quaternary ammonium phosphonium halides such as bromination tetra-n-butyl ammonium, etamon chloride, tetramethyl ammonium chloride Object etc., further, it is used above that these base catalysts may be used alone or in combination two types.Base catalyst is preferred like this Usage amount is different because of reaction condition, but is usually used relative to 1 mole of bisphenol compound with 0.005 to 0.5 mole of range, excellent It is selected as 0.01 to 0.4 mole of range.
When reaction, the alkylene carbonate esters usage amount relative to bisphenol compound is usual relative to 1 mole of bisphenol compound For 2 to 10 moles of range, preferably 2.5 to 5 moles of range.Reaction temperature is usually 100 to 150 DEG C, preferably 120 to 130 DEG C of range.
In addition, being carried out when reaction usually using reaction dissolvent.Reaction dissolvent can enumerate the aromatic series such as toluene, dimethylbenzene Hydrocarbon;The aliphatic alcohols such as n-butyl alcohol, 2- butanol, ethylene glycol;The ketones such as acetone, methyl iso-butyl ketone (MIBK);Tetrahydrofuran, dioxanes, 1, The ethers such as 2- diethoxyethane;The aprotic polar solvents such as dimethylformamide, dimethyl sulfoxide or their mixture.
Relative to 100 parts by weight of bisphenol compound, these reaction dissolvent usage amounts are preferably the model of 50 to 300 parts by weight It encloses, more preferably the range of 100 to 200 parts by weight.
The method of the hydroxy alkylated is not particularly limited, and known method can be used, but for example can be by reaction raw materials, catalysis Reaction vessel is added together and is warming up to reaction temperature for agent, reaction dissolvent etc., further, can also be molten by bisphenol compound, reaction Agent, catalyst mixed liquor be warming up to predetermined temperature and thereto instill alkylene carbonate esters.
After reaction, mixed liquor can be terminated in the form of coarse crystallization or high-purity product from reaction known refining methd Take out target product.Such as after the completion of reaction, terminate that water is added in mixture to reaction, with the excessive alkylene carbonate of water decomposition Ester.When using base catalyst, acid can be added and neutralized.Then after the solvent being separated from water optionally is added, water washed reservoir And it removes catalyst or neutralizes salt.Thereafter can oil reservoir be optionally concentrated and is cooled down, or solvent is added simultaneously after concentration oil reservoir Cooling, partial crystallization, filtering after dissolution, thus to obtain target product.It can get the target product of higher purity if being recrystallized.
Then illustrate the purposes of dihydroxy compounds of the invention.
Explanation is using dihydroxy compounds shown in above-mentioned general formula (1) as the polycarbonate of raw material first.
The polycarbonate is indicated by the following general formula (2):
(in formula, R each independently represents the alkylidene of carbon atom number 2 to 6, R1Each independently represent carbon atom number 1 to Alkoxy, phenyl or the halogen atom of 8 alkyl, carbon atom number 1 to 8, R2Each independently represent hydrogen atom, carbon atom number 1 To 8 alkyl, carbon atom number 1 to 8 alkoxy or halogen atom, R3Indicate the alkyl of carbon atom number 1 to 8, carbon atom number 1 to 8 alkoxy or halogen atom, m indicate that 0 to 2 integer, n indicate 0 to 2 integer, wherein R when m is 21It can be identical or not Together, R when n is 23It may be the same or different).
In above-mentioned general formula (2), R, R in formula1、R2、R3Shown in substituent group preference or concrete example and m, n shown in take R, R of the regulation of algebra and preferably the position of substitution and general formula (1)1、R2、R3Shown in substituent group preference or concrete example, And replace the regulation of number and preferably the position of substitution identical shown in m, n.
Therefore, preferably poly- containing repetitive unit in the polycarbonate containing repetitive unit shown in above-mentioned general formula (2) Carbonic ester is by shown in the following general formula (13):
(in formula, R1、R2、R3, m, n and general formula (2) R1、R2、R3, m, n it is identical, R4With the R of general formula (3)4It is identical)
R1、R2、R3, the preference of m, n or the R of concrete example and general formula (1)1、R2、R3, m, n preference or concrete example phase Together, R4Preference or the concrete example also R with general formula (3)4Preference or concrete example it is identical.
There is no particular restriction for polycarbonate its manufacturing method containing repetitive unit shown in above-mentioned general formula (2), can be used Known any means.Interfacial polymerization, melt transesterification process, solid phase polymerization method, cyclic carbonate can specifically be enumerated Ring-opening polymerisation method, pyridine method of ester compounds etc., but wherein preferably using dihydroxy compounds and carbonic acid ester precursor as former Interfacial polymerization, the melt transesterification process of material, particularly preferably by dihydroxy compounds and diphenyl carbonate shown in general formula (1) Equal carbonates carry out melting state transesterification reaction in the presence of ester exchange catalyst and manufacture.
In the range of not interfering effect of the present invention, as the aromatic series containing repetitive unit shown in above-mentioned general formula (2) The raw material of polycarbonate and the dihydroxy compounds used, it is possible to use other than dihydroxy compounds shown in above-mentioned general formula (1) Other dihydroxy compounds (such as bisphenol-A etc.) be used as copolymeric material.
When using copolymeric material, in the limit for not interfering effect of the present invention, in full dihydroxy compounds, master is to be used There is no particular restriction for the ratio of dihydroxy compounds copolymeric material other than dihydroxy compounds shown in above-mentioned general formula (1), but The range of preferably 0 to 20 mole %, the range of more preferably 0 to 10 mole %, and the range of more preferably 0 to 5 mole %, The range of particularly preferably 0 to 2 mole %.
It is further described the polycarbonate containing repetitive unit shown in above-mentioned general formula (2) to melt polycondensation system The melt transesterification process made.Here, previous known method can be used in melt transesterification process.
Such as raw material dihydroxy compounds is bis- (4- (2- hydroxyl-oxethyl) -3- the phenyl) -1- phenyl -1H- of 3,3- Reacting on for the above-mentioned aromatic copolycarbonate of acquisition when indol-2-one and oxide spinel diester are diphenyl carbonate is following with anti- Formula is answered to indicate:
Melting state transesterification reaction is to make dihydroxy compounds and carbonic diester in the presence of a catalyst, together with carbonic diester It is stirred while being heated in normal pressure or reduced pressure of inert gas atmosphere, phenol generated is made to distillate and carry out.
The carbonic diester for just making dihydroxy compounds react with it can specifically enumerate such as diphenyl carbonate, carbonic acid Bis- (m-cresol base) esters of two (tolyl) esters (ditolyl carbonate), carbonic acid (bis (m-cresyl) carbonate) Equal diaryl carbonates;The dialkyl carbonates such as dimethyl carbonate, diethyl carbonate, dicyclohexyl carbonate;Methyl phenyl ester, carbonic acid The alkyl carbonates aromatic ester such as ethyl phenyl ester, carbonic acid cyclohexyl benzene ester;Or divinyl carbonate, carbonic acid diisopropyl enester, carbonic acid dipropyl Two enester of the carbonic acid such as enester etc..Preferably diaryl carbonate, particularly preferably diphenyl carbonate.
Degree of decompression when blending ratio, the ester exchange reaction of usual adjustment dihydroxy compounds and carbonic diester, and can obtain It obtains desired molecular weight and has had adjusted the aromatic copolycarbonate of terminal hydroxyl amount.
In order to obtain the dihydroxy compounds of above-mentioned polycarbonate and the blending ratio of carbonic diester, for relative to dihydroxy 1 mole of compound, carbonic diester is usually using 0.5 to 1.5 mole times, preferably 0.6 to 1.2 mole times.
When melting state transesterification reaction, ester exchange catalyst is optionally used in order to improve reaction speed.
There is no particular restriction for ester exchange catalyst, such as can be used:Lithium, sodium, the hydroxide of caesium, carbonate, bicarbonate The alkali metal compounds such as the organic alkali metal compounds such as the inorganic alkali metal compounds such as compound, alcoholates, organic carboxylate; Organic alkaline-earth metal such as the inorganic alkali-earth metals such as hydroxide, carbonate of beryllium, magnesium etc. compound, alcoholates, organic carboxylate The alkaline earth metal compounds such as compound;The alkalinity such as sodium salt, calcium salt, the magnesium salts of tetramethyl boron, tetraethyl boron, butyl triphenyl boron etc. Boron compound;The alkalinity such as trivalents phosphorus compound or the quaternary alkylphosphonium salt as derived from these compounds such as triethyl phosphine, three n-propyl phosphines Phosphorus compound;The alkaline ammonium compounds such as tetramethyl ammonium hydroxide, tetraethyl ammonium hydroxide, tetrabutylammonium;Or 4- amino Ester exchange catalyst well known to amine compounds such as pyridine, 2- dimethylamino imidazoles, aminoquinoline etc..It is wherein preferably alkali gold Belong to compound, the particularly preferably cesium compounds such as cesium carbonate, cesium hydroxide.
Catalyst usage amount by with catalyst residue will not to generation polycarbonate cause the range of quality problems to make It is also different and different because of catalyst type with, suitable additive amount, therefore can not lump together, but generally for example opposite 1 mole of the dihydroxy compounds shown in above-mentioned general formula (1), usually 0.05 to 100 micromole, preferably 0.08 to 50 micro- rubs You, more preferably 0.1 to 20 micromole, and more preferably 0.1 to 5 micromole.Catalyst directly can add or be dissolved in solvent And add, it is preferably the solvent for not influencing reaction such as water, phenol as solvent.
In the reaction condition of melting state transesterification reaction, temperature is usually 120 to 360 DEG C of range, preferably 150 to 280 DEG C range, more preferably 180 to 270 DEG C of range.Ester exchange reaction can not be carried out if reaction temperature is too low, if reaction temperature Degree height then will do it the side reactions such as decomposition reaction, and it is not preferable.Reaction preferably carries out under reduced pressure, and reaction pressure preferably exists It will not be distillated as the carbonic diester of raw material to outside system and pressure that the phenol of by-product can distillate in reaction temperature.As this In the reaction condition of sample, reaction would generally terminate at 0.5 to 10 hour or so.
Then optionally, the reaction by so resulting containing polycarbonate terminates the separation that object carries out low molecular weight compositions After reduction processing, process is dried, thus to obtain the polycarbonate containing repetitive unit shown in above-mentioned general formula (2).
Terminating object by the resulting reaction containing polycarbonate of above-mentioned reaction process is usually melting near reaction temperature The clear viscous object of state, is solids near room temperature.
The separation reduction for the low molecular weight compositions that can optionally carry out is handled, for for example such as Japanese Unexamined Patent Publication 7-192310 As bulletin is recorded, polycarbonate is dissolved in suitable good solvent, then, poly- carbonic acid is made in the poor solvents such as methanol Ester precipitating, it is dry, it thus can get the above-mentioned fragrant adoption carbon of graininess, powdery, flake that low molecular weight compositions reduce etc. Acid esters.
In addition, the more preferable method to obtain high-molecular-weight polycarbonate is such as Japanese Unexamined Patent Publication 3-223330 public affairs As report, WO00/18822 bulletin are recorded, in the reaction, carries out prepolymerization (first step) and obtain polycarbonate oligomerization The polycarbonate oligomer is carried out solid phase or swelling solid phase (the second step), thus by object in the presence of a catalyst It can get high-molecular-weight polycarbonate.
Pre-polymerization in above-mentioned first step is combined into be carried out by melting state transesterification reaction, by dihydroxy compounds and carbonic acid Diphenyl ester exists while distillating phenol 120 to 360 DEG C of temperature, preferably 150 to 280 DEG C in the presence of a catalyst, especially excellent It is selected as reacting 0.5 to 10 hour in 180 to 270 DEG C, thus to obtain polycarbonate oligomer.From the side of the operability of the second step From the point of view of face, polycarbonate oligomer obtained in above-mentioned first step preferably according to known method formed flake, powder or The solids such as particle.
In the second step, under reduced pressure, optionally into the polycarbonate oligomer obtained in first step, addition adds The suitable aforementioned ester exchange catalyst such as Jia quaternary alkylphosphonium salt, and inert gas is imported, under stiring, turn in the vitrifying of polycarbonate It crystallizes under the solid state shape or swelling solid state shape that oligomer will not melt more than temperature and in solid phase, distillates on one side Remaining phenol is reacted on one side, thus to obtain high-molecular-weight polycarbonate.
The reaction of first step and the reaction of the second step can be carried out or are carried out continuously respectively.
Here, it is 500 to 15000 or so that polycarbonate oligomer, which typically refers to such as weight average molecular weight,.Further, high score It is 15000 to 100000 or so that son amount polycarbonate, which typically refers to such as weight average molecular weight,.But with dihydroxy chemical combination of the invention Object is that the polycarbonate of raw material is not limited to such a molecular weight.
In the above described manner resulting polycarbonate be by being set as high-molecular-weight polycarbonate, thus the transparency, heat resistance, Mechanical property, impact resistance, mobility etc. are excellent, it can be expected that being used in optics used in CD, smartphone etc. The optical applications such as optical film used in lens, flat-panel monitor etc., or it can be expected that as engineering plastics be used in automotive field, The various fields such as electrical/electronic field, various containers.
When further, polycarbonate oligomer can be used not only as with various polymerizations manufacture high-molecular-weight polycarbonate Raw material is also widely used as surface modifier, fire retardant, ultraviolet absorbing agent, mobility modifying agent, plasticiser, resin alloy With additives such as the polymer modifiers such as solubilizer.
Further, as other purposes, dihydroxy compounds of the invention be using terminal hydroxyl, in addition to polycarbonate with It is outer also it can be expected that be used as epoxy resin, oxetane resin, acrylic resin, polyester, polyarylate, polyether-ether-ketone, polysulfones, The resin raw materials such as novolaks, bakelite (resol), other light sensitivity form raw material, agent addition agent against corrosion, colour developing Agent, antioxidant.
Especially it can be expected that reacting by dihydroxy compounds of the invention and acrylic acid etc. and obtaining diacrylate etc. and be used as Acrylic monomers or acrylic resin raw material, and it can be expected that as using optics made of them to apply using for material firmly.
Embodiment
The present invention is further illustrated by the following examples, but the present invention is not limited to these embodiments.
In addition, softening point, refractive index in embodiment, purity measure by the following method.
[analysis method]
1. softening point measurement
Device:Shimadzu Scisakusho Ltd (Zhu formula Hui She Island Jin System makees institute) DSC-60 DIFFERENTIAL processed SCANNING CALORIMETER。
Elevated Temperature Conditions:10 DEG C/min (30 DEG C → 200 DEG C).
Atmosphere gas:Nitrogen (flow:50ml/ minutes).
Measuring method:
The 1st measurement is carried out with above-mentioned Elevated Temperature Conditions, and fusing point is measured by its wave crest that absorbs heat.
Thereafter identical sample is cooled to room temperature and carries out the 2nd measurement in the same terms, be softening with its wave crest that absorbs heat Point.
2. detecting refractive index
Device:Capital of a country electronics industry Co., Ltd. (capital of a country Electricity Industrial Co., Ltd) Refractometer RA- processed 500N。
Measuring method:
The THF solution (THF refractive index 1.40) for preparing concentration 10,15,30%, by extrapolation by its solution index meter Calculate the refractive index of measurement compound.
3. purity testing
Device:Shimadzu Scisakusho Ltd CLASS-LC10.
Pump:LC-10ATvp.
Column oven:CTO-10Avp.
Detector:SPD-10Avp.
Tubing string:Shim-pack CLC-ODS internal diameter 6mm, length 150mm.
Oven temperature:50℃.
Flow:1.0ml/min.
Mobile phase:(A) acetonitrile, (B) 0.2vol% acetic acid aqueous solution.
Gradient condition:(A) volume % (time started away from analysis)
60% (0min) → 60% (20min) → 100% (40min) → 100% (50min).
Sample injection rate:20μl.
Detection wavelength:280nm.
1 > of < reference example
The manufacture of bis- (4- hydroxyl -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-
Into the four-hole boiling flask for having thermometer, blender, cooling tube be added 2- phenylphenol 680.4g (4.00 moles), 1- phenyl -1H-Indole-2,3-dione 223g (1.00 moles) after replacing with nitrogen to reaction vessel, is blown into chlorination with 40 DEG C Hydrogen simultaneously replaces internal system.Thereafter adding 15% methyl mercaptan sodium water solution 22.3g, (methyl mercaptan sodium is 0.05 Mole), it is stirred 19 hours at 40 DEG C.16% sodium hydrate aqueous solution 409.4g (sodium hydroxide 1.64 is added after reaction Mole) neutralized.After resulting solution is warming up to 78 DEG C, methanol 612.0g is added, is cooled to 35 DEG C.The knot that will be precipitated Crystalline substance filters and obtains white crystals 691.7g.
To resulting white crystals addition toluene 2026.2g, methyl ethyl ketone 675.4g and after dissolving, water 675.4g is added And be stirred at 80 DEG C, stand after remove water layer, repeat the water washing operations of 2 removal water layers.Oil reservoir is heated up To 107 DEG C, after removing solvent 919.3g by distillation, 25 DEG C are cooled to, the crystallization being precipitated is filtered.Under reduced pressure by gained Crystallizing and drying, thus to obtain bis- (4- hydroxyl -3- the phenyl) -1- phenyl -1H- indol-2-one 417.6g of 3,3-.
Purity:99.0% (high performance liquid chroma- tography area %).
Yield:77% (relative to 1- phenyl -1H- indoles -2,3- diketone).
Fusing point:180 DEG C/218 DEG C (Differential Scanning Calorimetry analysis).
Proton NMR spectral (400MHz, solvent DMSO-D6, standard TMS)
Chemical shift (signal shape, proton number)
6.8ppm (d, 1H), 7.0ppm (d, 2H), 7.1ppm (dd, 2H), 7.2ppm (m, 3H), 7.2 to 7.3ppm (m, 3H), 7.4ppm (t, 4H), 7.4 to 7.5ppm (m, 8H), 7.5 to 7.6ppm (m, 2H), 9.7ppm (s, 2H).
1 > of < embodiment
The manufacture of bis- (4- (2- hydroxyl-oxethyl) -3- the phenyl) -1- phenyl -1H- indol-2-ones of 3,3-
Bis- (the 4- hydroxyls of 3,3- obtained in reference example 1 are added into the four-hole boiling flask for having thermometer, blender, cooling tube Base -3- phenyl) -1- phenyl -1H- indol-2-one 208.5g (0.38 mole), ethylene carbonate 97.6g (1.11 moles), Bromination tetra-n-butyl ammonium 1.23g (0.004 mole), 48% sodium hydrate aqueous solution 2.23g (sodium hydroxide is 0.03 mole), 1- Butanol 312.7g after being replaced with nitrogen to reaction vessel, is stirred 15 hours in 120 DEG C.Water 121.3g is added after reaction, It stirs 6 hours in 95 DEG C and is stirred 1 hour in 105 DEG C.Then acetic acid 1.0g (0.22 mole) is added, so that the pH of water layer is adjusted As 5 to 6.Water further is added to oil reservoir, water layer is removed after 80 DEG C of stirrings, after adding n-butyl alcohol 728.6g, passes through distillation Distillate distillation part 615.6g.Resulting solution is cooled to 25 DEG C, the crystallization being precipitated is filtered.By resulting crystallizing and drying, Thus to obtain bis- (4- (2- hydroxyl-oxethyl) -3- the phenyl) -1- phenyl -1H- indol-2-one 209.7g of 3,3-.
Purity:99.2% (high performance liquid chroma- tography area %).
Yield:87% (relative to bis-phenol).
Fusing point:185 DEG C (Differential Scanning Calorimetry analysis).
Softening point:93 DEG C (Differential Scanning Calorimetry analysis).
Refractive index (nD20):1.63.
Proton NMR spectral (400MHz, solvent DMSO-D6, standard TMS)
Chemical shift (signal shape, proton number)
3.7ppm (m, 4H), 4.1ppm (t, 4H), 4.8ppm (m, 2H), 6.8ppm (d, 1H), 7.1 to 7.2ppm (m, 3H), 7.2 to 7.3ppm (m, 7H), 7.4ppm (t, 4H), 7.5ppm (m, 8H), 7.6ppm (m, 8H).
1 > of < comparative example
The manufacture of bis- (4- (2- hydroxyl-oxethyl) the phenyl) -2- phenyl benzyl first lactams of 3,3-
(process 1)
Aniline 902.5g (9.70 moles) are added into the four-hole boiling flask for having thermometer, blender, cooling tube, with nitrogen pair After reaction vessel is replaced, methanesulfonic acid 192.7g is instilled in system while being maintained at 85 to 95 DEG C.Thereafter 90 To 100 DEG C of addition phenolphthalein 385.4g (1.21 moles), after addition, it is small while being maintained at 147 to 153 DEG C to stir 21.5 When.After reaction, it cools down and is cooled to 30 DEG C after 90 DEG C of addition water 1480.6g in 110 DEG C of addition toluene 1480.6g, The crystallization being precipitated is filtered, thus to obtain coarse crystallization 481.6g.
Toluene 913.4g, methanol 228.4g are added to above-mentioned resulting coarse crystallization, after 71 DEG C are stirred 5 hours, is cooled to 30 DEG C, the crystallization being precipitated is filtered.Under reduced pressure by resulting crystallizing and drying, thus to obtain 3,3- bis- (4- hydroxy phenyls)- 2- phenyl benzyl first lactams 347.2g.
Purity:99.6% (high performance liquid chroma- tography area %).
Yield:75% (relative to phenolphthalein).
Fusing point:291.5 DEG C (Differential Scanning Calorimetry analysis).
(process 2)
Bis- (the 4- hydroxyls of 3,3- obtained in process 1 are added into the four-hole boiling flask for having thermometer, blender, cooling tube Phenyl) -2- phenyl benzyl first lactams 30.0g (0.076 mole), ethylene carbonate 19.5g (0.22 mole), 48% potassium hydroxide Aqueous solution 0.44g (potassium hydroxide is 0.0038 mole), n-butyl alcohol 45.0g, after being replaced with nitrogen to reaction vessel, in 115 It is stirred 11 hours to 118 DEG C.After reaction, water 2.7g is added, is stirred 3 hours in 106 to 109 DEG C.Then 10% second is added Sour 2.2g, so that the pH adjustment of water layer becomes 4 to 5.To resulting oil reservoir add methyl iso-butyl ketone (MIBK), further add water and in Water layer is removed after 80 to 85 DEG C of stirrings, carries out the operation of 2 removal water layers.Resulting oil reservoir is warming up to 125 DEG C, passes through steaming Distillate distillation part 50.0g.After adding acetone and water to resulting solution, 30 DEG C are cooled to, the crystallization being precipitated is filtered.It will Resulting crystallizing and drying, thus to obtain bis- (4- (2- hydroxyl-oxethyl) the phenyl) -2- phenyl benzyl first lactams 28.5g of 3,3-.
Purity:96.7% (high performance liquid chroma- tography area %).
Yield:78% (relative to bis- (4- the hydroxy phenyl) -2- phenyl benzyl first lactams of 3,3-).
Fusing point:155 DEG C (Differential Scanning Calorimetry analysis).
Softening point:68 DEG C (Differential Scanning Calorimetry analysis).
Refractive index (nD20):1.60.
1 resulting compound and fusing point, softening point, folding by comparing the resulting compound of example 1 through the foregoing embodiment Rate is penetrated to be recorded in respectively in table 1.
[table 1]
The compound of embodiment 1 The compound of comparative example 1
Fusing point (DEG C) 185 155
Softening point (DEG C) 93 68
Refractive index (nD20) 1.63 1.60
Compared with the compound of well known comparative example 1, (the softening of the compound heat resistance as obtained by the embodiment of the present invention 1 Point temperature) it is higher and there is higher refractive index, therefore it is able to confirm that as the polycarbonate starting material as optical material purposes.

Claims (1)

1. a kind of dihydroxy compounds is indicated by the following general formula (1):
In formula, R each independently represents the alkylidene of carbon atom number 2 to 6, R1Each independently represent the alkane of carbon atom number 1 to 8 Base, the alkoxy of carbon atom number 1 to 8, phenyl or halogen atom, R2Each independently represent hydrogen atom, carbon atom number 1 to 8 The alkoxy or halogen atom of alkyl, carbon atom number 1 to 8, R3Indicate the alkyl of carbon atom number 1 to 8, the alkane of carbon atom number 1 to 8 Oxygroup or halogen atom, m indicate that 0 to 2 integer, n indicate 0 to 2 integer, wherein R when m is 21It may be the same or different, n 2 When R3It may be the same or different.
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