(3S,11aR)-6-[(phenylmethyl)oxy]-3-methyl-2,3,11,11a-tetrahydrooxazolo[3,2-a]pyrido[1,2-d]pyrazine-5,7-dione of the formula P-9 and/or (3S,11aR)-6-[(phenymethyl)oxy]-8-bromo-3-methyl-2,3,11,11a-tetrahydrooxazolo[3,2-a]pyrido[1,2-d]pyrazine-5,7-dione of the formula P-10
申请人:Shionogi & Co., Ltd.
公开号:US09133216B2
公开(公告)日:2015-09-15
The compounds are intermediates in the preparation of therapeutic agents useful in the treatment of viral infections, particularly HIV infection. The compounds are (3S,11aR)-6-[(phenylmethyl)oxy]-3-methyl-2,3,11,11a-tetrahydrooxazolo[3,2-a]pyrido[1,2-d]pyrazine-5,7-dione of the formula P-9 and/or (3S,11aR)-6-[(phenylmethyl)oxy]-8-bromo-3-methyl-2,3,11,11a-tetrahydrooxazolo[3,2-a]pyrido[1,2-d]pyrazine-5,7-dione of the formula P-10.
这些化合物是制备治疗病毒感染,特别是HIV感染的治疗剂的中间体。这些化合物是P-9式和/或P-10式的(3S,11aR)-6-[(苯甲基)氧基]-3-甲基-2,3,11,11a-四氢噁唑并[3,2-a]吡啶并[1,2-d]吡嗪-5,7-二酮和(3S,11aR)-6-[(苯甲基)氧基]-8-溴-3-甲基-2,3,11,11a-四氢噁唑并[3,2-a]吡啶并[1,2-d]吡嗪-5,7-二酮。