英文名:9H-Cyclohepta[a]naphthalen-9-one,1,2,3,4- tetrahyd
外观:
纯度:请咨询卖家
分子式:C18H20O2
分子量:268.35
最小起售量:10g/20g/100g/1kg
英文名称:
9H-Cyclohepta[a]naphthalen-9-one,1,2,3,4- tetrahydro-10-hydroxy-4,4,8-trimethyl-
英文同义词:
9H-Cyclohepta[a]naphthalen-9-one,1,2,3,4- tetrahydro-10-hydroxy-4,4,8-trimethyl-;Salviolone;1,2,3,4-Tetrahydro-10-hydroxy-4,4,8-trimethyl-9H-cyclohepta[a]naphthalen-9-one;9H-Cyclohepta[a]naphthalen-9-one,1,2,3,4- tetrahydro-10-hydroxy-4,4,8-trimethyl- USP/EP/BP
沸点
461.2±45.0 °C(Predicted)
密度
1.140±0.06 g/cm3(Predicted)
酸度系数(pKa)
7.94±0.40(Predicted)
制备
鼠尾草酚酮制备如下:白花丹参根粗粉10kg,用95%乙醇超声提取3次,合并提取液,回收乙醇至无醇味后得浸膏,加水适量捏溶,用醋酸乙酯萃取,得萃取物87g。萃取物经反复硅胶柱色谱分离、重结晶得到化合物Ⅰ~Ⅳ。化合物Ⅲ为鼠尾草酚酮,