The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 01, 2008
Filed:
Nov. 21, 2006
Gregory S. Welmaker, Collegeville, PA (US);
Joan E. Sabalski, Hamilton, NJ (US);
Michael D. Smith, Martinez, CA (US);
Gregory S. Welmaker, Collegeville, PA (US);
Joan E. Sabalski, Hamilton, NJ (US);
Michael D. Smith, Martinez, CA (US);
Wyeth, Madison, NJ (US);
Abstract
This invention provides processes for preparing compounds formula: wherein R is H, alkyl, acyl, aryl, aroyl or —C(O)R'; R′ is alkyl or aryl; R, R, Rand Rare H, —OH, alkyl, cycloalkyl, alkoxy, halogen, fluorinated alkyl or alkoxy, —CN, —NH—SO-alkyl, —SO—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, acyl, aryl or aroyl; Ris H, alkyl, cycloalkyl, alkoxy, fluorinated alkyl, —NH—SO-alkyl, —SO—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, aryl, or aroyl; or a pharmaceutically acceptable salt thereof, as well as novel compounds useful in the synthesis of these compounds.