072 Cassiaside A
中药学

        [结构式][主要物性]分子式C27H32O15;分子量596。淡黄色结晶,熔点218～220℃。UVλamxCH3OHnm:249(sh),269(sh),279,387。IRνmaxKBrcm-1:3400,2895,1680,1650,1630,1610,1580,1120～1020。FAB-MSm/z:603(M+Li)+;NIFAB-MSm/z:595(M-H)-。1HNMR(DMSO)δ:2.24(d,J=0.8Hz,CH3-3),3.0～3.7(m),3.89(3    （共 1469 字）     [阅读本文] >>