作者:Chi-Ming Chiou、Chin-Ting Lin、Wei-Jang Huang、Yu-Mei Chang、Yi-Jin Ho、Ming-Jai Su、Shoei-Sheng Lee
DOI:10.1021/np3007765
日期:2013.3.22
isomers of thaliporphine (5a), a potent antiarrhythmic agent, were prepared starting from laurolitsine (1), an abundant aporphine present in Phoebe formosana. Treating N-propylnorglaucine with 90% H2SO4 yielded one additional product, an 11-sulfonyl-1,11-anhydroaporphine. Reaction of N-formylnorglaucine (3a) with 90% H2SO4, however, yielded the 9-sulfonyl-seco product as a major product. Treatment of 3a
从有效成分Phoebe formosana中存在的丰富的磷化氢月桂氨酸(1)开始制备一种有效的抗心律不齐药物thaliporphine(5a)的N同源物和旋光异构体。用90%的H 2 SO 4处理N-丙基去甲月桂氨酸产生了另一种产物,即11-磺酰基-1,11-脱水吗啡。的反应Ñ -formylnorglaucine(3A)与90%H 2 SO 4,但是,得到的9 -磺酰基-开环产物,为主要产物。用98%H 2 SO 4处理3a产生了潘考丁(10),其在催化氢化后产生(±)-野烟碱。1 H NMR光谱分析已成功应用于监测晶体盐的光学纯度,同时进行了光学拆分。Thaliporphine(5a)被证明比左侧的旋光异构体具有更好的正性变力作用和负的变时性作用,并且在制备的N同源物中对大鼠心脏组织表现出最佳活性。