A radical cyclisation reaction based strategy to 2,3,5-tri- and tetrasubstituted furans
作者:A. Srikrishna、G. Sundarababu
DOI:10.1016/s0040-4020(01)90088-2
日期:1990.1
Synthesis of 2,3,5-trisubstituted furans (5), starting from 2-methoxypropene and 1,3-disubstituted propargyl alcohols 3, via the radical cyclisation of the bromo acetal 4 followed by aromatisation, is reported. Analogously, l-methoxycyclohexene and propargyl alcohols 3 furnished the tetrasubstituted furans 6.
据报道,由2-甲氧基丙烯和1,3-二取代的炔丙基醇3经溴代乙缩醛4的自由基环化,然后进行芳构化,合成了2,3,5-三取代的呋喃(5)。类似地,1-甲氧基环己烯和炔丙醇3提供了四取代的呋喃6。