Ara V Boyajian

US Patent:

7842837, Nov 30, 2010

Filed:

Aug 18, 2009

Appl. No.:

12/542914

Inventors:

Ronald S. Michalak - Congers NY, US
Mahmut Levent - Bloomfield NJ, US
Frederick J. Vyverberg - Chester NY, US
Ara R. Boyajian - River Vale NJ, US
Panolil Raveendranath - Monroe NY, US
Michel Cantin - Saint-Laurent, CA
Alan Stockton - Longueuil, CA
Michael W. Winkley - Campbell Hall NY, US
Mousumi Ghosh - Elmwood Park NJ, US
Christoph Dehnhardt - New York NY, US
Charles Guinosso - Chestnut Ridge NY, US

Assignee:

Wyeth LLC - Madison NJ

International Classification:

C07C 311/13

US Classification:

564 84

Abstract:

The present invention provides method for making a compound of formula 1:.

US Patent:

8034960, Oct 11, 2011

Filed:

Nov 11, 2010

Appl. No.:

12/943958

Inventors:

Ronald S. Michalak - Congers NY, US
Mahmut Levent - Bloomfield NJ, US
Frederick J. Vyverberg - Chester NY, US
Ara R. Boyajian - River Vale NJ, US
Panolil Raveendranath - Monroe NY, US
Michel Cantin - Saint-Laurent, CA
Alan Stockton - Longueuil, CA
Michael W. Winkley - Campbell Hall NY, US
Mousumi Ghosh - Elmwood Park NJ, US
Christoph Dehnhardt - New York NY, US
Charles Guinosso - Chestnut Ridge NY, US

Assignee:

Pfizer Inc. - New York NY

International Classification:

C07D 209/20

US Classification:

548506

Abstract:

The present invention provides a compound of formula 1:.

US Patent:

20060041005, Feb 23, 2006

Filed:

Aug 18, 2005

Appl. No.:

11/207072

Inventors:

Ronald Michalak - Congers NY, US
Mahmut Levent - Bloomfield NJ, US
Frederick Vyverberg - Chester NY, US
Ara Boyajian - River Vale NJ, US
Panolil Raveendranath - Monroe NY, US
Michel Cantin - Saint-Laurent, CA
Alan Stockton - Longueuil, CA
Michael Winkley - Campbell Hall NY, US
Mousumi Ghosh - Elmwood Park NJ, US
Christoph Dehnhardt - New York NY, US
Charles Guinosso - Chestnut Ridge NY, US

Assignee:

Wyeth - Madison NJ

International Classification:

A61K 31/405
C07D 209/16

US Classification:

514419000, 548504000

Abstract:

The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R, R, R, Rand Rare defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.