PROCESS FOR PREPARING 2*66DIITERTTALKYLL 44ALKYLIDENECYCLOHEXADIENEEONE

Title:

PROCESS FOR PREPARING 2*66DIITERTTALKYLL 44ALKYLIDENECYCLOHEXADIENEEONE

Document Type and Number:

Japanese Patent JPS5427544

Kind Code:

A

Abstract:

A process for preparing a 2,6-di-tert-alkyl-4-alkylidene-2,5-cyclohexadien-one which comprises contacting a bis-(3,5-di-tert.-alkyl-4-hydroxybenzyl)sulphide of the formula wherein R1 denotes a tertiary alkyl group and R2 denotes hydrogen, a straight or branched alkyl, cycloalkyl, cycloalkenyl, aralkyl or aryl group with lead or mercury in the oxide, hydroxide, carbonate, acetate or other basic reacting salt form at an elevated temperature in an inert solvent.

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Inventors:

ERUNSUTO RUUSU
ERIKA FUGURU

Application Number:

JP9102778A

Publication Date:

March 01, 1979

Filing Date:

July 27, 1978

Export Citation:

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Assignee:

BAYER AG

International Classes:

B01J23/00; B01J27/00; B01J31/00; C07C45/00; C07C45/27; C07C45/29; C07C45/31; C07C49/603; C07C49/587; C07C49/613; C07C49/647; C07C49/76; C07C67/00; C08L23/00; C08L23/06; (IPC1-7): B01J23/06; B01J23/14; B01J27/20; B01J31/12; C07C45/00; C07C49/48; C07C49/54; C07C49/76

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