作者:E. Ben Hay、Hanmo Zhang、Dennis P. Curran
DOI:10.1021/ja510608u
日期:2015.1.14
1,1-Divinyl-2-phenylcyclopropanes are entry points to a rich area of rearrangement chemistry. With N,N-diallyl amide substrates, tandem radical cyclizations can be initiated at room temperature. Warming provides products of pure thermal rearrangements with acids, ester, and amides. These isomerizations give vinylcyclopentenes resulting from divinylcyclopropane rearrangements and more deeply rearranged
1,1-二乙烯基-2-苯基环丙烷是重排化学丰富领域的切入点。使用 N,N-二烯丙基酰胺底物,可以在室温下引发串联自由基环化。加热提供与酸、酯和酰胺的纯热重排产物。这些异构化产生由二乙烯基环丙烷重排产生的乙烯基环戊烯和由芳族科普重排和烯反应产生的更深重排的三环螺内酰胺。羰基转化为醇或醚会打开逆烯通路,然后进行互变异构或克莱森重排。