专利号:US-6600025-B1 优先权日:1998-11-24 标题 :Intermediates, process for preparing macrolide antibiotic agent therefrom 发明人:LEE TAE SUK; YOO CHANG HYUN; KIM KYOUNG SOO; AN HYUN SUK; KIM JUNG YOUNG; KIM WAN JOO 权利人:CHEMTECH RES INC; HANSOL CHEMIENCE CO LTD 摘要:An erythromycin A 9-O-benzodithiol oxime intermediate represented by the following formula (III) useful for synthesis of clarthromycin and crystalline solvate thereof:Wherein, Y1 and Y2 are independently a hydrogen atoms or trimethylsilyl groups. And, a process for the preparation of clarithromycin using the erythromycin A 9-O-benzodithiol oxime intermediate as described in the specification.
专利号:US-8722900-B2 优先权日:2011-10-31 标题 :Process for cabazitaxel, and intermediates thereof 发明人:HSIAO TSUNGYU; HENSCHKE JULIAN PAUL; TSENG HSINCHANG 权利人:SCINOPHARM TAIWAN LTD 摘要:The present invention relates to processes for making cabazitaxel, cabazitaxel analogues and intermediates thereof. The invention provides novel compounds useful in the synthesis of cabazitaxel.
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