PROCESS FOR PREPARING PYRROLIDINE DERIVATIVES

Title:

PROCESS FOR PREPARING PYRROLIDINE DERIVATIVES

Document Type and Number:

WIPO Patent Application WO/1997/040008

Kind Code:

A1

Abstract:

A process for producing pyrrolidine derivatives represented by general formula (2) or salts thereof in a simple and economical manner with a good productivity in a high yield. The process comprises conducting hydrogenolysis of a compound represented by general formula (1) with a metallic catalyst in the presence of at least one protonic acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, p-toluenesulfonic acid, methanesulfonic acid, acetic acid, n-butyric acid, trifluoroacetic acid, and citric acid, wherein R represents a 1-cyano-1,1-diphenylmethyl, 1-carbamoyl-1,1-diphenylmethyl, n-butyryloxy, methanesulfonyloxy, or p-toluenesulfonyloxy group.

Inventors:

MORI NATSUKI (JP)
YOSHIDA NORITAKA (JP)
FURUTA TAKESHI (JP)
KAN KAZUNORI (JP)

Application Number:

PCT/JP1997/001373

Publication Date:

October 30, 1997

Filing Date:

April 22, 1997

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KANEKA CORP (JP)
MORI NATSUKI (JP)
YOSHIDA NORITAKA (JP)
FURUTA TAKESHI (JP)
KAN KAZUNORI (JP)

International Classes:

B01J23/42; B01J23/44; B01J23/46; C07B53/00; C07B61/00; C07D207/08; C07D207/12; (IPC1-7): C07D207/09; B01J23/40; C07D207/12

Foreign References:

JPS61100563A	1986-05-19
JPS62169763A	1987-07-25
JPH02218664A	1990-08-31
JPS6341453A	1988-02-22
JPH0495067A	1992-03-27
JPH0558995A	1993-03-09
JPH03176463A	1991-07-31

Other References: