[go: up one dir, main page]

Zhou et al., 2013 - Google Patents

[Et3NH][HSO4] catalyzed efficient and green synthesis of 1, 8-dioxo-octahydroxanthenes

Zhou et al., 2013

Document ID
14228649576639750565
Author
Zhou Z
Deng X
Publication year
Publication venue
Journal of Molecular Catalysis A: Chemical

External Links

Snippet

A simple and efficient procedure for synthesis of 1, 8-dioxo-octahydroxanthenes by one-pot condensation of aromatic aldehydes with 5, 5-dimethyl-1, 3-cyclohexanedione under solvent- free conditions using ionic liquid [Et3NH][HSO4] as catalyst is described. The procedure …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/40—Radicals substituted by oxygen atoms
    • C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton

Similar Documents

Publication Publication Date Title
Zhou et al. [Et3NH][HSO4] catalyzed efficient and green synthesis of 1, 8-dioxo-octahydroxanthenes
Dabiri et al. 1-Methylimidazolium triflouroacetate ([Hmim] TFA): An efficient reusable acidic ionic liquid for the synthesis of 1, 8-dioxo-octahydroxanthenes and 1, 8-dioxo-decahydroacridines
Shaterian et al. Synthesis of benzoxanthene derivatives using Brønsted acidic ionic liquids (BAILs), 2-pyrrolidonium hydrogen sulfate and (4-sulfobutyl) tris (4-sulfophenyl) phosphonium hydrogen sulfate
Azizi et al. Multicomponent domino reactions in deep eutectic solvent: An efficient strategy to synthesize multisubstituted cyclohexa-1, 3-dienamines
Azizi et al. Chemoselective synthesis of xanthenes and tetraketones in a choline chloride-based deep eutectic solvent
Xia et al. A novel neutral ionic liquid-catalyzed solvent-free synthesis of 2, 4, 5-trisubstituted imidazoles under microwave irradiation
Zare et al. Synthesis, characterization and application of ionic liquid 1, 3-disulfonic acid imidazolium hydrogen sulfate as an efficient catalyst for the preparation of hexahydroquinolines
Guo et al. One-pot three-component synthesis of functionalized spirooxindoles in gluconic acid aqueous solution
Azizi et al. Green procedure for the synthesis of bis (indolyl) methanes in water
Fang et al. Synthesis of 4H‐benzopyrans catalyzed by acyclic acidic ionic liquids in aqueous media
Seddighi et al. Sulfonated rice husk ash (RHA-SO 3 H) as a highly efficient and reusable catalyst for the synthesis of some bis-heterocyclic compounds
Gong et al. The one-pot synthesis of 14-alkyl-or aryl-14H-dibenzo [a, j] xanthenes catalyzed by task-specific ionic liquid
Heravi et al. Facile heteropolyacid-promoted synthesis of 14-substituted-14-H-dibenzo [a, j] xanthene derivatives under solvent-free conditions
Li et al. highly efficient low melting mixture catalyzed synthesis of 1, 8‐dioxo‐dodecahydroxanthene derivatives
Li et al. 1-Methylimidazolium hydrogen sulfate catalyzed convenient synthesis of 2, 5-dimethyl-N-substituted pyrroles under ultrasonic irradiation
Li et al. Efficient and green synthesis of bis (indolyl) methanes catalyzed by ABS in aqueous media under ultrasound irradiation
Zheng et al. Direct asymmetric aza Diels–Alder reaction catalyzed by chiral 2-pyrrolidinecarboxylic acid ionic liquid
Naeimi et al. Environmentally benign and one-pot synthesis of 14-aryl-14H-dibenzo [a, j] xanthenes catalyzed by acyclic Brønsted acidic ionic liquid [H-NMP][HSO 4] under green conditions
Kiasat et al. Phospho sulfonic acid: a versatile and efficient solid acid catalyst for facile synthesis of bis-(4-hydroxycoumarin-3-yl) methanes under solvent-free conditions
CN101440025B (en) A kind of method that N-methylimidazolium bisulfate ionic liquid catalyzes preparation of acetal or ketal
Fang et al. Eco‐friendly synthesis of 1, 8‐dioxo‐octahydroxanthenes catalyzed by ionic liquid in aqueous media
Keithellakpam et al. A simple, efficient and green procedure for Michael addition catalyzed by [C4dabco] OH ionic liquid
Srihari et al. Synthesis of 1, 8-dioxo-octahydroxanthenes utilizing PMA-SiO2 as an efficient reusable catalyst
Shirini et al. Poly (4-vinylpyridinium) perchlorate as an efficient and recyclable catalyst for the synthesis of biscoumarins and bisindoles
Ashtarian et al. Bronsted acidic ionic liquids (bails)-catalyzed synthesis of 1, 8-dioxo-octahydroxanthene and 2, 2′-arylmethylene bis (3-hydroxy-5, 5-dimethyl-2-cyclohexene-1-one) derivatives under eco-friendly conditions