The heteropolycycles, indolizinoquinolizines (3,4) were obtained by the reaction of pyridylketene dithioacetal (1) with two molar equivalents of pyridinium salts (2a,b).
机构:
MULHOUSE UNIV HAUT RHIN,ECOLE NATL SUPER CHIM,CNRS,SYNTHESE & PHOTOCHIM ORGAN LAB,F-68093 MULHOUSE,FRANCEMULHOUSE UNIV HAUT RHIN,ECOLE NATL SUPER CHIM,CNRS,SYNTHESE & PHOTOCHIM ORGAN LAB,F-68093 MULHOUSE,FRANCE