Synthesis of Vinca Alkaloids and Related Compounds. 100. Stereoselective Oxidation Reactions of Compounds with the Aspidospermane and Quebrachamine Ring System. First Synthesis of Some Alkaloids Containing the Epoxy Ring<sup>1</sup><sup>a</sup>
作者:János Éles、György Kalaus、István Greiner、Mária Kajtár-Peredy、Pál Szabó、György Miklós Keserû、Lajos Szabó、Csaba Szántay
DOI:10.1021/jo020386r
日期:2002.10.1
The first syntheses of the alkaloids (-)-mehranine (3), (+)-voaphylline/conoflorine (4), (+)-N(a)-methylvoaphylline/hecubine (5), and (-)-lochnericine (2) were achieved by stereoselective epoxidation starting from (-)-tabersonine (1), through intermediates with the aspidospermane and quebrachamine skeleton.
首次合成生物碱(-)-甲胺(3),(+)-茶碱/香豆碱(4),(+)-N(a)-甲基茶碱/ he碱(5)和(-)-lochnericine(2 )是通过立体选择性环氧化反应从(-)-烟粉碱(1)开始,通过具有蛇精精和quebrachamine骨架的中间体实现的。