Synthesis of 8-Oxoberbines and Related Benzolactams by Pd(OAc)<sub>2</sub>-Catalyzed Direct Aromatic Carbonylation
作者:Mamoru Miyazawa、Takashi Tokuhashi、Akiyoshi Horibata、Takatoshi Nakamura、Yu Onozaki、Nobuhito Kurono、Hisanori Senboku、Masao Tokuda、Takeshi Ohkuma、Kazuhiko Orito
DOI:10.1002/jhet.1044
日期:2013.2
prepared from 1-benzyl-1,2,3,4-tetrahydroisoquinolines or 1-benzyl-1,2,3,4-tetrahydro-β-carbolines by a phosphine-free Pd(II)-catalyzed direct aromatic carbonylation in a Pd(OAc)2-Cu(OAc)2 catalytic system. The site selectivity was compared with that of the carbonylation with Pd(OAc)2 or Pd(OAc)2·2 PPh3, respectively.
由1-苄基1,2,3,3,4-四氢异喹啉或1-苄基1,2,3,4-四氢-β-咔啉通过膦制备各种具有贝宾或育亨宾骨架的烷氧基取代的苯并内酰胺Pd(OAc)2 -Cu(OAc)2催化体系中的无铅Pd(II)催化直接芳族羰基化反应。将位点选择性与分别用Pd(OAc)2或Pd(OAc)2 ·2 PPh 3羰基化的位点选择性进行了比较。