A new asymmetric synthesis of (S)-(+)-pipecoline and (S)-(+)- and (R)-(−)-coniine by reductive photocyclization of dienamides
作者:Fanny Bois、Daniel Gardette、Jean-Claude Gramain
DOI:10.1016/s0040-4039(00)01549-5
日期:2000.11
(S)-(+)-Pipecoline and both enantiomers of coniine were synthesized, in good yields, by a reductive photocyclization of chiral dienamides. Enantioselectivities of up to 75% were obtained.