发明名称 |
METHOD FOR PRODUCING L-PHENYLEPHRINE HYDROCHLORIDE |
摘要 |
<p>The present invention relates to an improved process for preparing L-phenylephrine hydrochloride 3 on an industrial scale by asymmetric hydrogenation as the key step and a special sequence of subsequent steps, using [Rh(COD)Cl]2 as catalyst and a chiral, two-pronged phosphine ligand such as (2R,4R)-4-(dicyclohexylphosphino)-2-(diphenylphosphino-methyl)-N-methyl-aminocarbonyl-pyrrolidine as the catalyst system.</p> |
申请公布号 |
SK10282001(A3) |
申请公布日期 |
2001.12.03 |
申请号 |
SK20010001028 |
申请日期 |
2000.01.11 |
申请人 |
BOEHRINGER INGELHEIM PHARMA KG |
发明人 |
KLINGLER FRANZ DIETRICH;WOLTER LIENHARD;DIETRICH WOLFGANG |
分类号 |
C07C213/08;C07B53/00;C07B61/00;C07C213/00;C07C215/60;(IPC1-7):C07C213/00 |
主分类号 |
C07C213/08 |
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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