发明名称 |
METHOD FOR MANUFACTURING CRYSTALLINE FORM I OF CLOPIDOGREL HYDROGEN SULPHATE |
摘要 |
A method for manufacturing hydrogen sulphate (alpha S) of the alpha-(2- chlorophenyl)-6,7~dihydro-thieno~3,2-c~pyridine-5(4H)-acetic acid methyl est er (clopidogrel hydrogen sulphate) of formula I, in crystalline Form I, wherein the compound of formula is separated out of a solution of clopidogrel in the form of the free base or salt in a solvent selected from the series of primary, secondary or tertiary C1-C5 alcohols, their esters with Cl-C4 carboxylic acids, or optionally of mixtures thereof.
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申请公布号 |
CA2495823(A1) |
申请公布日期 |
2004.03.11 |
申请号 |
CA20032495823 |
申请日期 |
2003.08.26 |
申请人 |
LECIVA, A.S. |
发明人 |
HAJICEK, JOSEF;VEVERKOVA, EVA;VODNY, STEFAN;STEPANKOVA, HANA;VEVERKA, MIROSLAV |
分类号 |
C07D515/02;C07D495/04;(IPC1-7):C07D495/04 |
主分类号 |
C07D515/02 |
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