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. 23, 2002
Filed:
Jun. 01, 2001
Applicant:
Inventors:
Pradeep Kumar, Maharashtra, IN;
Rodney Agustinho Fernandes, Maharashtra, IN;
Assignee:
Council of Scientific & Industrial Research, New Delhi, IN;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07D / ; C07D / ;
Abstract
The present invention relates to an improved, efficient and enantio-selective process for the synthesis of (4R, 6S)-4-hydroxy-6-hydroxymethyl tetrahydropyran-2-one, employing the Sharpless asymmetric dihydroxylation and regiospecific nucleophilic hydride opening of the cyclic sulfite/sulfate as the key steps. The invention also resides in the intermediates used in the process.
Kumar, Pradeep. (2002). Process for the preparation of (4r,6s)-4-hydroxy-6-hydroxymethyl-tetrahydropyran-2-one (U.S. Patent No. 6376683). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6376683
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile