申请人:Sankyo Company, Limited
公开号:US05143930A1
公开(公告)日:1992-09-01
Compounds of formula (I): ##STR1## in which: A is a group of formula (II) or (III): ##STR2## W is methylene, carbonyl or >C.dbd.N--OV, where V is hydrogen, sulfo, acyl or alkyl; U is methylene, or W is absent and U is a carbon-carbon double bond between A and --CR.sup.1 (OH)--; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen or alkyl; Y.sup.1 and Y.sup.2 are each hydrogen or a hydroxy-protecting group; and n is 1, 2 or 3 and salts thereof have anti-diabetic activity in mammals. Methods of preparing them are also provided.
公式(I)的化合物:其中:A是公式(II)或(III)的基团:W是亚甲基,羰基或>C.dbd.N--OV,其中V是氢,磺酰基,酰基或烷基;U是亚甲基,或者W不存在且U是A和--CR.sup.1(OH)之间的碳-碳双键;R.sup.1,R.sup.2,R.sup.3和R.sup.4分别为氢或烷基;Y.sup.1和Y.sup.2分别为氢或羟基保护基团;n为1、2或3,其盐在哺乳动物中具有抗糖尿病活性。还提供了它们的制备方法。