Title:
PROCESS FOR CONTINUOUS PRODUCTION OF CYCLOHEXENE FROM CYCLOHEXYL ESTER
Document Type and Number:
Japanese Patent JP3180849
Kind Code:
B2
Abstract:
PURPOSE: To provide a process for continuous production of cyclohdxene from a cyclohexyl ester in a high yield and selectivity.
CONSTITUTION: This process includes stages for a) heating a cyclohexyl ester of a carboxylic acid having 1 or 2 carbon atoms in the presence of an acid catalyst with the formation of cyclohexene and a carboxylic acid having 1 or 2 carbon atoms, b) removing, by distillation, cyclohexene and carboxylic acid having 1 or 2 carbon atoms from the reaction mixture of the stage a) according to the rate of formation, c) adding a cyclohexyl ester of a carboxylic acid having 1 or 2 carbon atoms to the stage a) according to the rate of the distillation off of the cyclohexene and carboxylic acid and d) separating the cyclohexene and the carboxylic acid having 1 or 2 carbon atoms from the stage b).
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Inventors:
Rolf Pincos
Rolf Fisher
Roman Dostalek
Rolf Fisher
Roman Dostalek
Application Number:
JP33592692A
Publication Date:
June 25, 2001
Filing Date:
December 16, 1992
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C07C1/213; C07C13/20; C07B61/00; (IPC1-7): C07C1/213; C07C13/20
Other References:
Ｃｈｅｍ．Ｌｅｔｔ．（１９９０）（７）ｐ．１２０１−１２０２
Attorney, Agent or Firm:
Toshio Yano (2 outside)