045 Atractylon
中藥學(xué)

        [結(jié)構(gòu)式][主要物性]分子式C15H20O;分子量216.33。無(wú)色矩狀結(jié)晶,熔點(diǎn)37～39℃,遇熱易破壞。UVλC2H5OHmaxnm(lgε):218(3.86)。IRνCCl4max(μm):3.25,6.09,8.80,11.21。1HNMR(60MC,CDCl3,TMS)δ:0.74(3H,s,C15—CH3),1.92(3H,d,J=1Hz,C13-CH3),4.64,4.84(2H,br,m,C14-CH2),7.0(1H,br,s,C12-    （共 278 字）     [閱讀本文] >>