发明名称 METHOD FOR CRYSTALLIZATION OF 7-AMINOCEPHALOSPORANIC ACID
摘要 The present invention relates to a method for preparing crystals of 7-aminocephalosporanic acid from 7-aminocephalosporanic acid solution by using additive and acid. The crystals of 7-aminocephalosporanic acid prepared according to the present invention exhibits superior granularity, purity, and can be prepared in a high yield.
申请公布号 WO03031451(A1) 申请公布日期 2003.04.17
申请号 WO2002KR01851 申请日期 2002.10.04
申请人 CKD BIO CORP.;KIM, JUNG WOO;SHIN, SANG KYU;CHOI, SANG YONG;YUN, JONG CHAN;YUN, IN KYUN 发明人 KIM, JUNG WOO;SHIN, SANG KYU;CHOI, SANG YONG;YUN, JONG CHAN;YUN, IN KYUN
分类号 C07D501/00;C07D501/26 主分类号 C07D501/00
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