Formation of substituted benzocyclobutenes through flash vacuum pyrolysis
作者:Peter Schiess、Suzanne Rutschmann、Van Vien Toan
DOI:10.1016/s0040-4039(00)88653-0
日期:1982.1
Benzocyclobutenes carrying a substituent in the four membered ring are obtained in high yield from 2-methyl benzaldehydes through a reaction sequence involving a pyrolytic 1,4-elimination of HCl in the crucial step.