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:
Nov. 12, 2013
Filed:
Jan. 18, 2011
Choong Eui Song, Gyeonggi-do, KR;
Sang Ho OH, Gyeonggi-do, KR;
Ho Sik Rho, Gyeonggi-do, KR;
Ji Woong Lee, Seoul, KR;
Je Wun Lee, Gyeonggi-do, KR;
Sung Hoon Youk, Seoul, KR;
Jik Chin, Ontario, CA;
Choong Eui Song, Gyeonggi-do, KR;
Sang Ho Oh, Gyeonggi-do, KR;
Ho Sik Rho, Gyeonggi-do, KR;
Ji Woong Lee, Seoul, KR;
Je Wun Lee, Gyeonggi-do, KR;
Sung Hoon Youk, Seoul, KR;
Jik Chin, Ontario, CA;
Abstract
The present invention relates to cinchona-based bifunctional organocatalysts and methods for preparing chiral hemiesters using the same. More specifically, the present invention relates to methods for preparing chiral hemiesters from prochiral or meso cyclic acid anhydrides via desymmetrization, using bifunctional cinchona alkaloid catalysts comprising sulfonamide functional groups.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile