[異名]仙鶴草酚[結(jié)構(gòu)式][主要物性]分子式C26H34O8;分子量474.53。淺黃色斜方棱狀結(jié)晶。熔點(diǎn)138.5~139.5℃。UVλmax環(huán)己烷nm:235,292.5,330。IRvKBrcm-1:3500(H2O),3200和2400~2800(—OH),1665(β-22酮),1600(締合酮和苯環(huán)重疊峰),1367(—CH3)。MSm/z:474.6(M+),237 (共 958 字) [閱讀本文] >>
海量資源,盡在掌握
 [異名]仙鶴草酚[結(jié)構(gòu)式][主要物性]分子式C26H34O8;分子量474.53。淺黃色斜方棱狀結(jié)晶。熔點(diǎn)138.5~139.5℃。UVλmax環(huán)己烷nm:235,292.5,330。IRvKBrcm-1:3500(H2O),3200和2400~2800(—OH),1665(β-22酮),1600(締合酮和苯環(huán)重疊峰),1367(—CH3)。MSm/z:474.6(M+),237 (共 958 字) [閱讀本文] >>