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:
Mar. 01, 2016
Filed:
Apr. 30, 2015
Shionogi & Co., Ltd., Osaka, JP;
Viiv Healthcare Company, Research Triangle Park, NC (US);
Brian A. Johns, Research Triangle Park, NC (US);
Takashi Kawasuji, Osaka, JP;
Teruhiko Taishi, Osaka, JP;
Yoshiyuki Taoda, Osaka, JP;
Shionogi & Co., Ltd., Osaka, JP;
ViiV Healthcare Company, Research Triangle Park, NC (US);
Abstract
The present invention is directed to a class of substituted pyrido[1'2′:4,5]pyrazino[1,2-a]-pyrimidines useful as intermediates in the production of anti-HIV agents. The compounds have the formula (I-24b): wherein Ris one or two halogen; Ris Calkyl; Ris hydrogen, Ccycloalkyl, heterocyclyl, or Calkyl optionally substituted with hydroxy, Ccycloalkyl, alkoxy, heterocyclyl, heteroaryl, Caryl, or amino, wherein said amino may be optionally substituted with —C(O)Calkyl or Calkyl; and Pis CarylCalkyl; or a pharmaceutically acceptable salt thereof.