Francis L Walther from 509 Candyroot Ct, Jacksonville, FL 32259, age 78, Phone: (904)2878277

Francis Walther Phones & Addresses

Preparation Of [1S-[1A,2B,3B,4A(S*)]]-4-[7-[[1-(3-Chloro-2-Thienyl)Methyl Propyl]Amino] -3H-Imidazo[4,5-B]Pyridin-3-Yl]-N-Ethyl-2,3-Dihydroxycyclopentanecarboxa Mide
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US Patent:

61438944, Nov 7, 2000
Filed:

Jan 19, 1999
Appl. No.:

9/233591
Inventors:

Michael K. O'Brien - Berwyn PA
Herve Garcia - Communay, FR
Patrick Leon - Tassin la Demi Lune, FR
Tory H. Powner - Chester VA
Laurence W. Reilly - Doylestown PA
Harshavadan C. Shah - Secane PA
Michael D. Thompson - San Diego CA
Ching T. Tsuei - Lansdale PA
Benoit J. Vanasse - Collegeville PA
Francis L. Walther - Wilmington DE
Assignee:

Aventis Pharmaceuticals Products Inc. - Collegeville PA
International Classification:

C07D47104
C07D40912
US Classification:

546118
Abstract:

This invention is directed to methods for the preparation of [1S-[1a,2b,3b,4a(S*)]]-4-[7-[[1-(3-chloro-2-thienyl) methyl]propyl]amino]-3H-imidazo[4,5-b]pyridin-3-yl]-N-ethyl-2,3-dihydroxyc yclopentanecarboxamide, methods for the preparation of intermediates thereto, and to said intermediates themselves.