作者:Hong-Chuan Chen、Ta-shue Chou
DOI:10.1016/s0040-4020(98)00739-x
日期:1998.10
Isoquinolino-3-sulfolene 7 has been prepared efficiently from 3,4-epoxysulfolene 8. Deprotonarion-alkylation reactions proceed smoothly but with low regioselectivity to give substituted isoquinolino-3-sulfolenes. The pyrolysis of these fused 3-sulfolenes at various temperatures provides an easy entry to the corresponding isoquinolino-o-quinodimethanes. (C) 1998 Elsevier Science Ltd. All rights reserved.