申请人:Sumika Fine Chemicals Co., Ltd.
公开号:US20030144533A1
公开(公告)日:2003-07-31
The &bgr;-keto ester compound, &bgr;-hydroxy acid compound and acetonide form of a 1,3-diol derivative of the formulas (I), (V) and (VIII)
1
wherein each symbol is as defined in the specification, are useful as a synthetic intermediate for an epothilone derivative being developed as a pharmaceutical agent having an antitumor activity.
这些化合物分别为&bgr;-酮酯化合物、&bgr;-羟基酸化合物和1,3-二醇衍生物的缩醛形式,其化学式分别为(I)、(V)和(VIII),其中每个符号的定义见说明书,它们可作为一种合成中间体,用于开发作为抗肿瘤药物的依托酮衍生物。