发明授权
US06872826B2 Stereoselective alkylation of chiral 2-methyl-4-protected piperazines
失效
手性2-甲基-4-保护的哌嗪的立体选择性烷基化
- 专利标题: Stereoselective alkylation of chiral 2-methyl-4-protected piperazines
- 专利标题(中): 手性2-甲基-4-保护的哌嗪的立体选择性烷基化
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申请号: US10400429申请日: 2003-03-27
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公开(公告)号: US06872826B2公开(公告)日: 2005-03-29
- 发明人: Wenxue Wu , Hongbiao Liao , David J. S. Tsai , David R. Andrews , Dinesh Gala , Gary M. Lee , Martin Lawrence Schwartz , Timothy L. McAllister , Xiaoyong Fu , Donal Maloney , Tiruvettipuram K. Thiruvengadam , Chou-Hang Tann
- 申请人: Wenxue Wu , Hongbiao Liao , David J. S. Tsai , David R. Andrews , Dinesh Gala , Gary M. Lee , Martin Lawrence Schwartz , Timothy L. McAllister , Xiaoyong Fu , Donal Maloney , Tiruvettipuram K. Thiruvengadam , Chou-Hang Tann
- 申请人地址: US NJ Kenilworth
- 专利权人: Schering Corporation
- 当前专利权人: Schering Corporation
- 当前专利权人地址: US NJ Kenilworth
- 代理商 Palaiyur S. Kalyanaraman
- 主分类号: C07D241/04
- IPC分类号: C07D241/04 ; C07B53/00 ; C07B61/00 ; C07C45/51 ; C07C303/28 ; C07C309/73 ; C07D295/084 ; C07D295/088 ; C07D295/185 ; C07D295/192 ; C07D295/205 ; C07D295/067
摘要:
In an illustrative embodiment, the present invention describes the synthesis of the following compound and similar compounds, in high stereochemical purity by a novel stereoselective alkylation process:
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