METHOD FOR PREPARING 17 alpha-ACETOXY-11beta-(4-N,N-DIMETHYLAMINOPHENYL)-19-NORPREGNA-4,9-DIENE-3,20-DIONE, INTERMEDIATES THEREOF, AND METHODS FOR THE PREPARATION OF SUCH INTERMEDIATES

Title:

METHOD FOR PREPARING 17 alpha-ACETOXY-11beta-(4-N,N-DIMETHYLAMINOPHENYL)-19-NORPREGNA-4,9-DIENE-3,20-DIONE, INTERMEDIATES THEREOF, AND METHODS FOR THE PREPARATION OF SUCH INTERMEDIATES

Document Type and Number:

WIPO Patent Application WO2004078709

Kind Code:

A3

Abstract:

Methods for the preparation of the 19-norprogesterone of formula I and its intermediates, in crystalline and amorphous forms.

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Inventors:

KIM HYUN K
RAO PEMMARAJU N
SIMMONS ANNE-MARIE

Application Number:

PCT/US2004/004246

Publication Date:

February 24, 2005

Filing Date:

February 13, 2004

Export Citation:

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Assignee:

US GOV HEALTH & HUMAN SERV (US)
SOUTHWEST FOUND BIOMED RES (US)
KIM HYUN K
RAO PEMMARAJU N
SIMMONS ANNE-MARIE

International Classes:

C07J7/00; C07J21/00; C07D; (IPC1-7): C07J7/00; C07J21/00

Domestic Patent References:

WO2001018025A2

2001-03-15

Foreign References:

US6020328A	2000-02-01
US3381003A	1968-04-30

Other References: