作者:P.Mark Jackson、Christopher J. Moody、Pritom Shah
DOI:10.1016/s0040-4039(00)82201-7
日期:1988.1
Pyrano[3,4-b]thiophen-5-ones are stable thiophene-2,3-quinodimethanes that undergo Diels-Alder reaction with alkynes to give, after loss of carbon dioxide, benzothiophenes; dibenzothiophenes can be prepared similarly from the corresponding benzothiophene-2,3-quinodimethane equivalent.
吡喃并[3,4- b ]
噻吩-5-酮是稳定的
噻吩-2,3-喹二
甲烷,与
炔烃进行狄尔斯-阿尔德反应,在失去
二氧化碳后产生
苯并噻吩。可以由相应的
苯并噻吩-2,3-喹二
甲烷当量类似地制备
二苯并噻吩。