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1.发明授权Cyclic triketone compounds and trimethylsilyloxy butadiene compounds and their use in the preparation of daunomycinone derivatives 失效环己酮酮化合物和三甲基硅氧烷二丁烯化合物及其在制备DAONOMYCINONE衍生物中的用途
公开(公告)号：US5097051A
公开(公告)日：1992-03-17
申请号：US473538
申请日：1990-02-01
IPC分类号： C07C45/45 , C07C49/753 , C07C49/757 , C07C50/34 , C07C50/36 , C07C217/12 , C07C323/12 , C07F7/18
CPC分类号： C07F7/1852
摘要： The invention provides novel cyclic triketone compounds of the formulae ##STR1## wherein S is H, alkyl or alkoxy and R* is a group of the formule ##STR2## wherein R.sup.1 is methyl and R.sub.2 is an alkyl group containing at least 2 carbon atoms or R.sup.1 is an alkyl group having 1-4 carbon atoms and R.sup.2 is an aryl group, a hetero aryl group, a --CH.sub.2 OR' group, a --CH.sub.2 N
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