Nickel-catalyzed coupling of bromides of 1,6-methano[10]annulene and azulene. A facile synthesis of biannulene and bi-, ter-, quater-, and polyazulenes
作者:Masahiko Iyoda、Koichi Sato、Masaji Oda
DOI:10.1016/s0040-4039(00)89262-x
日期:1985.1
The active nickel complex generated in situ by reduction of NiBr2(PPh3)2 with zinc in the presence of Et4NI is a useful reagent for the dehalogenativecoupling of 2-bromo-1,6- methano[10]annulene and 1-bromo- and 1,3-dibromoazulenes.