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:
Feb. 10, 2009
Filed:
Nov. 20, 2006
Andreas Lindenschmidt, Bad Soden, DE;
David William Will, Kriftel, DE;
Gerhard Jaehne, Frankfurt, DE;
Theodor Andreas Wollmann, Hattersheim, DE;
Wendelin Frick, Hunstetten-Beuerbach, DE;
Bernd Junker, Bad Soden, DE;
David Rigal, Kriftel, DE;
Guenter Billen, Niedernhausen, DE;
Heiner Jendralla, Heiner, DE;
Andreas Lindenschmidt, Bad Soden, DE;
David William Will, Kriftel, DE;
Gerhard Jaehne, Frankfurt, DE;
Theodor Andreas Wollmann, Hattersheim, DE;
Wendelin Frick, Hunstetten-Beuerbach, DE;
Bernd Junker, Bad Soden, DE;
David Rigal, Kriftel, DE;
Guenter Billen, Niedernhausen, DE;
Heiner Jendralla, Heiner, DE;
Sanofi-Aventis Deutschland GmbH, Frankfurt, DE;
Abstract
The present invention is directed to the preparation of novel compounds useful in the treatment of hyperlipidemia, arteriosclerosis, hypercholesterolemia, and other related metabolic disorders. More specifically, the present invention is a novel process for the preparation of 1,4-diphenylazetidinone derivatives from β-substituted amino amides which are protected in the presence of silylating agents and at least one cyclization catalyst whose structural formula is represented by one of the general formula: wherein the various R-groups are defined herein.