发明授权
EP0981520B1 EFFICIENT ENANTIOSELECTIVE ADDITION REACTION USING AN ORGANOZINC REAGENT 失效
对映选择性ADDITIONS反应中,用有机锌试剂

  • 专利标题: EFFICIENT ENANTIOSELECTIVE ADDITION REACTION USING AN ORGANOZINC REAGENT
  • 专利标题(中): 对映选择性ADDITIONS反应中,用有机锌试剂
  • 申请号: EP98922084.3
    申请日: 1998-05-12
  • 公开(公告)号: EP0981520B1
    公开(公告)日: 2004-07-07
  • 发明人: CHEN, Cheng, YiTILLYER, Richard, D.TAN, Lushi
  • 申请人: MERCK & CO., INC.
  • 申请人地址: 126 East Lincoln Avenue Rahway, New Jersey 07065 US
  • 专利权人: MERCK & CO., INC.
  • 当前专利权人: MERCK & CO., INC.
  • 当前专利权人地址: 126 East Lincoln Avenue Rahway, New Jersey 07065 US
  • 代理机构: Horgan, James Michael Frederic
  • 优先权: US46713P 19970516; GB9711599 19970605; US57884P 19970903; GB9727129 19971222; US83525P 19980429
  • 国际公布: WO1998051676 19981119
  • 主分类号: C07D265/18
  • IPC分类号: C07D265/18
EFFICIENT ENANTIOSELECTIVE ADDITION REACTION USING AN ORGANOZINC REAGENT
摘要:
An efficient method for the preparation of key intermediate, in the synthesis of (-)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-benzoxazin-2-one, a reverse transcriptase inhibitor is achieved using a chiral addition reaction to the 4-chloro-2-trifluoromethylketoaniline with an organozinc complex to give the desired alcohol. This instant method has broad applicability in the chiral addition to any prochiral ketone.
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