PROCESS FOR THE PREPARATION OF LETROZOLE,申请号WO2006IN00337-传众专利搜索

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发明名称	PROCESS FOR THE PREPARATION OF LETROZOLE
摘要	The present invention relates to the process for the preparation of Letrozole free from its regioisomer (7) and other impurities by selective extraction of desired intermediate (3) using suitable solvent and mixture of solvents.
申请公布号	WO2007054964(A3)	申请公布日期	2007.07.12
申请号	WO2006IN00337	申请日期	2006.09.04
申请人	CADILA HEALTHCARE LIMITED;HAIDER, HUSSAIN;SOLANKI, KIRTIPALSINH, SAIJANSINH;PAL, GAUTAM;SINGH, MANOJ, KUMAR;KOTHARI, JAY, SHANTILAL;AGARWAL, VIRENDRA, KUMAR	发明人	HAIDER, HUSSAIN;SOLANKI, KIRTIPALSINH, SAIJANSINH;PAL, GAUTAM;SINGH, MANOJ, KUMAR;KOTHARI, JAY, SHANTILAL;AGARWAL, VIRENDRA, KUMAR
分类号	C07D249/08	主分类号	C07D249/08
代理机构		代理人
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