[go: up one dir, main page]

IT956224B - Frocesso per la preparazione di isoprene - Google Patents

Frocesso per la preparazione di isoprene

Info

Publication number
IT956224B
IT956224B IT22173/72A IT2217372A IT956224B IT 956224 B IT956224 B IT 956224B IT 22173/72 A IT22173/72 A IT 22173/72A IT 2217372 A IT2217372 A IT 2217372A IT 956224 B IT956224 B IT 956224B
Authority
IT
Italy
Prior art keywords
isoprene
methylal
isobutylene
frocess
preparation
Prior art date
Application number
IT22173/72A
Other languages
English (en)
Original Assignee
Sun Research Development
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Research Development filed Critical Sun Research Development
Application granted granted Critical
Publication of IT956224B publication Critical patent/IT956224B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C409/00Peroxy compounds
    • C07C409/02Peroxy compounds the —O—O— group being bound between a carbon atom, not further substituted by oxygen atoms, and hydrogen, i.e. hydroperoxides
    • C07C409/04Peroxy compounds the —O—O— group being bound between a carbon atom, not further substituted by oxygen atoms, and hydrogen, i.e. hydroperoxides the carbon atom being acyclic
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C11/00Aliphatic unsaturated hydrocarbons
    • C07C11/12Alkadienes
    • C07C11/173Alkadienes with five carbon atoms
    • C07C11/18Isoprene
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/862Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
    • C07C2/867Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an aldehyde or a ketone
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/48Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups
    • C07C29/50Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups with molecular oxygen only
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C407/00Preparation of peroxy compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/05Preparation of ethers by addition of compounds to unsaturated compounds
    • C07C41/06Preparation of ethers by addition of compounds to unsaturated compounds by addition of organic compounds only
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48Preparation of compounds having groups
    • C07C41/50Preparation of compounds having groups by reactions producing groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/53Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of hydroperoxides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/02Sulfur, selenium or tellurium; Compounds thereof
    • C07C2527/053Sulfates or other compounds comprising the anion (SnO3n+1)2-
    • C07C2527/054Sulfuric acid or other acids with the formula H2Sn03n+1
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/06Halogens; Compounds thereof
    • C07C2527/08Halides
    • C07C2527/12Fluorides
    • C07C2527/1213Boron fluoride
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/06Halogens; Compounds thereof
    • C07C2527/125Compounds comprising a halogen and scandium, yttrium, aluminium, gallium, indium or thallium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/06Halogens; Compounds thereof
    • C07C2527/135Compounds comprising a halogen and titanum, zirconium, hafnium, germanium, tin or lead
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00Catalysts comprising molecular sieves
    • C07C2529/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT22173/72A 1971-03-22 1972-03-21 Frocesso per la preparazione di isoprene IT956224B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12693471A 1971-03-22 1971-03-22

Publications (1)

Publication Number Publication Date
IT956224B true IT956224B (it) 1973-10-10

Family

ID=22427444

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22173/72A IT956224B (it) 1971-03-22 1972-03-21 Frocesso per la preparazione di isoprene

Country Status (7)

Country Link
US (1) US3758610A (it)
BE (1) BE781021A (it)
DE (1) DE2213701A1 (it)
FR (1) FR2130485B1 (it)
GB (1) GB1355455A (it)
IT (1) IT956224B (it)
NL (1) NL7203676A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917779C2 (de) * 1979-05-03 1981-05-27 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur Herstellung von 2,3-Dimethylbuten-2
GB8403156D0 (en) * 1984-02-07 1984-03-14 Coal Industry Patents Ltd Catalysts
US5191143A (en) * 1992-01-10 1993-03-02 Texaco Chemical Company Preparation of isobutylene
US6518474B1 (en) 1999-10-29 2003-02-11 Huntsman International Llc Process for producing isobutylene from tertiary butyl alcohol
RU2448938C1 (ru) * 2010-11-17 2012-04-27 Общество с ограниченной ответственностью "Тольяттикаучук" Способ комплексного использования изобутана в производстве изопрена и бутилкаучука

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2739995A (en) * 1951-06-29 1956-03-27 Gen Aniline & Film Corp Preparation of conjugated dienes

Also Published As

Publication number Publication date
BE781021A (fr) 1972-09-22
NL7203676A (it) 1972-09-26
GB1355455A (en) 1974-06-05
US3758610A (en) 1973-09-11
DE2213701A1 (de) 1972-10-12
FR2130485B1 (it) 1977-04-01
FR2130485A1 (it) 1972-11-03

Similar Documents

Publication Publication Date Title
IT987197B (it) Procedimento di preparazione di aldeidi per idroformilazione di olefine
GB1205048A (en) Cyclopentadecenones
IT956224B (it) Frocesso per la preparazione di isoprene
SE7510419L (sv) Forfarande for framstellning av en koncentrerad vattenlosning av formaldehyd
GB1443745A (en) Process for the manufacture of isopropyl alcohol suitable for use as a fuel additive
ES395806A1 (es) Procedimiento para obtener un producto de fenol cuyo conte-nido de acetofenona se encuentra notablemente reducido.
IT1053715B (it) Catalizzatore per la produzione di composti ossiranici mediante epossidazione di olefine con idroperossidi e processo per la sua preparazione
ES438594A1 (es) Un metodo para preparar 2-(6'-carbometoxihexil)-2-ciclopen- ten-1-ona.
ES419174A1 (es) Un metodo por preparar 4-hidroxi-ciclopentano-1,3-dionas sustituidas en la posicion 2 opticamente activas.
GB1036375A (en) Manufacture of unsaturated aliphatic carboxylic acids
ES419829A1 (es) Procedimiento para preparar cicloalcanonas y cicloalcano- les.
GB1228991A (it)
BE769798A (fr) Preparation d'hydroperoxyde de cyclohexyle par oxydation de cyclohexan
ES388905A1 (es) Procedimiento para la preparacion de cicloalcan-1,3-dionas 2,2-disustituidas.
GB600837A (en) Production of anisole
SU296419A1 (ru) Способ получени диплациндихлорида
FR2438021A1 (fr) Procede de purification d'une cetone obtenue par deshydrogenation de l'alcool correspondant
GB1540227A (en) Preparation of 6,10,14-trimethylpenta-deca-2-one
SU408545A1 (ru) Способ получени 3-нитропропанал
SU76457A1 (ru) Способ приготовлени малоустойчивых эмульсий жироказеинового типа дл изготовлени кожи
FR2240919A1 (en) 1,5-Dimethyl-6,7-dioxa-bicyclo(3,2,1)octane prepn - by reacting 6-methyl-6-hepten-2-one with an aliphatic percarboxylic acid
GB1231153A (it)
JPS5217479A (en) Process for preparation of 4,4- dimethylmetadioxane
GB669797A (en) 2, 2-alkylidene-bis(6-alkyl-4-chlorophenols)
GB1354153A (en) Production of unsaturated aldehydes