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:
Oct. 08, 2013
Filed:
Dec. 09, 2009
Brian Alvin Johns, Research Triangle Park, NC (US);
Maosheng Duan, Research Triangle Park, NC (US);
Toshikazu Hakogi, Hyogo, JP;
Brian Alvin Johns, Research Triangle Park, NC (US);
Maosheng Duan, Research Triangle Park, NC (US);
Toshikazu Hakogi, Hyogo, JP;
Shionogi & Co., Ltd., Osaka, JP;
VIIV Healthcare Company, Research Triangle Park, NC (US);
Abstract
Processes are provided which create an aldehyde methylene, or hydrated or hemiacetal methylene attached to a heteroatom of a 6 membered ring without going through an olefinic group and without the necessity of using an osmium reagent. In particular, a compound of formula (I) can be produced from (II) and avoid the use of an allyl amine: (formulae I and II) where R, PP, Rand Rare as described herein.