ENAMINO ESTERS AND ITS PRODUCTION

Title:

ENAMINO ESTERS AND ITS PRODUCTION

Document Type and Number:

Japanese Patent JPH0565255

Kind Code:

A

Abstract:

PURPOSE: To obtain a new intermediate capable of inexpensively and efficiently producing a 4-(4-cyanoanilino)-6.7-dihydro-5H-cyclopenta[d]pyrimidines, useful as antidepressant, cardiac and brain disorder improving drug.

CONSTITUTION: A 3-alkoxy-2-amino-1-cyclopentenecarboxylic acid ester shown by formula I (R1 and R2 are 1-4C alkyl) such as 2-amino-3-methoxy-1- cyclopentenecarboxylic acid methyl ester. The compound is obtained by reacting a 3-alkoxy-2-oxocyclopentacarboxylic acid ester shown by formula Ii with ammonia in the presence of a catalyst.

Inventors:

OMORI KIYOSHI
YONEDA YASUHIRO
FUSE KENSAKU

Application Number:

JP23020491A

Publication Date:

March 19, 1993

Filing Date:

September 10, 1991

Export Citation:

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Assignee:

SANKYO CO
UBE INDUSTRIES

International Classes:

C07C227/08; C07C229/48; (IPC1-7): C07C227/08; C07C229/48

Attorney, Agent or Firm:

Akio Ohno

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