zinc(II) cyanide 、
(1R,2R,3S,3aR,8bS)-3a-(4-bromophenyl)-1,8b-dihydroxy-6-methoxy-N,N-dimethyl-3-phenyl-2,3-dihydro-1H-cyclopenta[b][1]benzofuran-2-carboxamide 在
四(三苯基膦)钯 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以45%的产率得到rac-(1R,2R,3S,3aR,8bS)-3a-(4-cyanophenyl)-1,8b-dihydroxy-6-methoxy-N,N-dimethyl-3-phenyl-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-2-carboxamide