发明授权
US5849924A Highly selective process for the preparation of enantiomerically pure
phenyl-substituted 1,4-dihydropyridine-3,5-dicarboxylic acid derivatives
失效
用于制备对映体纯的苯基取代的1,4-二氢吡啶-3,5-二羧酸衍生物的高选择性方法
- 专利标题: Highly selective process for the preparation of enantiomerically pure phenyl-substituted 1,4-dihydropyridine-3,5-dicarboxylic acid derivatives
- 专利标题(中): 用于制备对映体纯的苯基取代的1,4-二氢吡啶-3,5-二羧酸衍生物的高选择性方法
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申请号: US896275申请日: 1997-07-16
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公开(公告)号: US5849924A公开(公告)日: 1998-12-15
- 发明人: Joachim Mittendorf , Peter Fey , Bodo Junge , Johannes Kaulen , Kai van Laak , Heinrich Meier , Rudolf Schohe-Loop
- 申请人: Joachim Mittendorf , Peter Fey , Bodo Junge , Johannes Kaulen , Kai van Laak , Heinrich Meier , Rudolf Schohe-Loop
- 申请人地址: DEX Leverskusen
- 专利权人: Bayer Aktiengesellscahft
- 当前专利权人: Bayer Aktiengesellscahft
- 当前专利权人地址: DEX Leverskusen
- 优先权: DEX4443168.6 19941205
- 主分类号: A61K31/4412
- IPC分类号: A61K31/4412 ; A61P25/28 ; C07D207/40 ; C07D207/416 ; C07D211/80 ; C07D211/90 ; C07D401/02 ; C07D401/06 ; C07D401/12 ; C07D521/00
摘要:
The present invention relates to a new highly selective process for the preparation of enantiomerically pure halogeno-phenyl-substituted 1,4-dihydropyridine-3,5-dicarboxylic esters of the general formula (I) ##STR1## in which R.sup.1 to R.sup.3 have the meanings given in the description.
公开/授权文献
- US4747524A Device for metered handling of bulk materials 公开/授权日:1988-05-31