发明名称 |
A METHOD FOR THE PREPARATION IN A NON-RACEMIC FORM OF FURO (3,4-C) PYRIDINE DERIVATIVES |
摘要 |
<p>A method for resolving racemic mixtures of compounds having the formula <IMAGE> or a pharmaceutically acceptable salt thereof that includes the steps of reacting the OR3 group of either compound with an esterifying agent in the case where R3 is H or a lower alkyl group; sujecting the compound to the action of an esterase capable of preferentially hydrolyzing either the (+) or (-) enantiomeric form of the compound; and separating the unhydrolyzed compound from the hydrolyzed compound.</p> |
申请公布号 |
GR910100180(A) |
申请公布日期 |
1992.07.30 |
申请号 |
GR19910100180 |
申请日期 |
1991.04.24 |
申请人 |
SCRAS |
发明人 |
CHARLES R. ECK;PAUL C. AHRENS;RAE MARIE SALTZSTEIN |
分类号 |
C07B57/00;C07D491/04;C07D491/048;C07D491/056;C12P17/18;C12P41/00 |
主分类号 |
C07B57/00 |
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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