78083-82-6Relevant articles and documents
Total Synthesis of the Protoberberine Alkaloid (-)-Xylopinine by Photochemical 1,3-Asymmetric Induction
Kametani, Tetsuji,Takagi, Nanami,Toyota, Masahiro,Honda, Toshio,Fukumoto, Keiichiro
, p. 2830 - 2834 (1981)
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-veratroylisoquinoline (4) with 1,3-asymmetric induction.