[結(jié)構(gòu)式][主要物性]分子式C53H86O22·2H2O;分子量1110。白色針晶,熔點(diǎn)239~240℃(甲醇),[α]D22.8-26.6°(c=0.93,甲醇)。IRνmaxKBrcm-1:3423,2872,1716,1388,1363,1075,1044,992,890,840,822。1HNMR(C5D5N)δ:0.85~1.85(各3H,s,6×CH3),1.80(3H,s,鼠李糖—CH3),3.16(1H,m,3-H),3.18,3.5 (共 1075 字) [閱讀本文] >>