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:
Jan. 02, 2007
Filed:
May. 01, 2001
Andrew John Blacker, West Yorkshire, GB;
Christopher David Reeve, Billingham, GB;
Robert Antony Holt, Billingham, GB;
Andrew John Blacker, West Yorkshire, GB;
Christopher David Reeve, Billingham, GB;
Robert Antony Holt, Billingham, GB;
AstraZeneca UK Limited, London, GB;
Abstract
A process is provided for the preparation of a compound of formula (1) wherein R and R' represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The process comprises either the stereoselective reduction of the keto group in a dihydroxy keto precursor followed by selective esterification of a primary hydroxy, or selective esterification of a primary hydroxy of a dihydroxy keto precursor followed by stereoselective reduction of the keto group.