发明名称 |
APPLICATION OF AN IRIDIUM COMPLEX IN ASYMMETRIC CATALYTIC HYDROGENATION OF AN UNSATURATED CARBOXYLIC ACID |
摘要 |
<p>The present invention relates to a preparation method of carboxylic acids with optical activity, particularly, publishes that very useful chiral carboxylic acids can be obtained by the asymmetric catalytic hydrogenation of tri-substituted ±,²-unsaturated carboxylic acids, with the complexes of the chiral phosphor nitrogen ligands and iridium used as the catalysts which show high activity and enantioselectivity (up to 99.8% ee), thus provides a more efficient method with higher enantioselectivity for asymmetric catalytic hydrogenation of chiral carboxylic acid-like compounds, and has important application value to asymmetric hydrogenation of chiral carboxylic acids.</p> |
申请公布号 |
EP2275398(A1) |
申请公布日期 |
2011.01.19 |
申请号 |
EP20090733969 |
申请日期 |
2009.01.20 |
申请人 |
ZHEJIANG JIUZHOU PHARMACEUTICAL CO., LTD. |
发明人 |
ZHOU, QILIN;LI, SHEN;ZHU, SHOUFEI;ZHANG, CANMING;WANG, LIXIN |
分类号 |
C07C51/347;B01J31/18;B01J31/22;B01J31/24;C07B53/00;C07C51/36;C07C57/04;C07C201/12;C07D263/12;C07D307/54;C07F9/653;C07F15/00;C07F17/02 |
主分类号 |
C07C51/347 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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