Photochemical [3 + 2] cycloaddition of 2-cyanochromone to olefins
作者:Isao Saito、Koji Shimozono、Teruo Matsuura
DOI:10.1016/0040-4039(82)80151-2
日期:1982.1
Irradiation of 2-cyanochromone in the presence of olefins gave rise to [3 + 2] cycloadducts together with the formation of normal [2 + 2] cycloadducts with the product ratio being temperature-dependent. The mechanism involving a vinyl nitrene intermediate was proposed.