有α-和γ-两个异构体。这两种化合物本身并不重要,但它们的某些衍生物却很重要。例如,色烯的羰基衍生物──苯并-α-吡喃酮和苯并-γ-吡喃酮就存在于许多天然化合物的结构中。
【中药化学成分】:含伞形花内酯、东莨菪素和黄酮成分桑根皮素(Morusin)、桑素(Mulberrin)、桑色烯 (Mulberrochro-mene)、环桑素(Cyclomulberrin)、环桑色烯(Cyelomulberrochromene)等。又含有作用类似乙酰胆碱的降压成分,并含鞣质5.6%,粘液素9%。
基于6个网页-相关网页
利用季铵盐的固色原理,将二甲基二烯丙基氯化铵与丙烯酰胺的聚合物pda应用于绒面革固色。
The quaternary ammonium salt polymer PDA was applied on dye fixation process for pigskin suede leather on the basis of dye fixation principle of quaternary ammonium salts.
模拟结果表明从萘酸基方向释放可能是烯二炔环发色团分子最佳的释放路径。
Further, calculated forces and time by FPMD (force-probe molecular dynamics) suggest that the opening of the naphthoate moiety should be the most favorable pathway.
该产品是一类固色性能非常优异的多烯多胺类固色剂,可用于活性染料的固色。
The product is a kind of solid performance, a very excellent multi-color multi-amine-ene-fixing agent can be used for fixing reactive dyes.
应用推荐