发明名称 REDUKSJON AV KARBOKSYLESTERE.
摘要 A method for producing a compound of the formula: <CHEM> [wherein R<1> and R<2> each stand for a lower alkyl group; n denotes an integer of 0 to 21; X stands for hydrogen atom or an optionally protected hydroxyl group; and Y stands for an optionally protected hydroxyl group], which comprises by reducing an ester compound of the formula: <CHEM> [wherein R<1>, R<2>, n, X and Y are of the same meaning as defined above, and R<3> stands for a lower alkyl group] with a mixture of sodium borohydride and aluminum chloride, gives the desired compound in a high yield, and is advantageous from the industrial point of view.
申请公布号 NO167655(B) 申请公布日期 1991.08.19
申请号 NO19880001823 申请日期 1988.04.26
申请人 TAKEDA CHEMICAL INDUSTRIES LTD 发明人 OKADA, TAIITI;ABE, YASUAKI
分类号 A61K;C07C;C07C41/01;C07C41/26;C07C43/20;C07C43/23;C07C45/00;C07C45/29;C07C46/02;C07C46/04;C07C46/06;C07C50/28;C07C67/00;C25B3/02 主分类号 A61K
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