Details for Patent: 8,754,214
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Title: | Synthesis of carbamoylpyridone HIV integrase inhibitors and intermediates |
Abstract: | A synthesis approach providing an early ring attachment via a bromination to compound I-I yielding compound II-II: ##STR00001## whereby a final product such as AA: ##STR00002## can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q. |
Inventor(s): | Yoshida; Hiroshi (Osaka, JP), Taoda; Yoshiyuki (Osaka, JP), Johns; Brian Alvin (Research Triangle Park, NC), Kawasuji; Takashi (Osaka, JP), Nagamatsu; Daiki (Osaka, JP) |
Assignee: | Shionogi & Co., Ltd. (Osaka, JP) ViiV Healthcare Company (Research Triangle Park, NC) |
Filing Date: | Dec 04, 2013 |
Application Number: | 14/096,191 |
Claims: | 1. A compound of the following formula (DD): ##STR00047## wherein P.sup.1 is H or a carboxy protecting group. 2. The compound of claim 1, wherein P.sup.1 is benzyl. |