Total synthesis of the protoberberine alkaloid (–)-xylopinine by photochemical 1,3-asymmetric induction
作者:Tetsuji Kametani、Nanami Takagi、Masahiro Toyota、Toshio Honda、Keiichiro Fukumoto
DOI:10.1039/p19810002830
日期:——
The protoberberine alkaloid, xylopinine (12), has been synthesised in an optically active form, a key reaction being the photochemical cyclisation of optically active 1,2,3,4-tetrahydro-6,7-dimethoxy-3-methoxycarbonyl-1-methylene-2-veratrolisoquinoline (4) with 1,3-asymmetric induction.
原小ber碱生物碱,木糖草素(12)以光学活性形式合成,关键反应是光学活性1,2,3,4-四氢-6,7-二甲氧基-3-甲氧基羰基-1-的光化学环化反应亚甲基-2-藜芦异喹啉(4),具有1,3-不对称感应。