matrices was studied by means of IR and UV/VIS spectroscopy. Bicyclo[2.1.0]pent-2-ene was formed by the irradiation of matrix-isolated cyclopentadiene using a super-high-pressure mercury lamp. When the matrix-isolated cyclopentadiene was irradiated with shorter wavelength using a low-pressure mercury lamp, further reactions of bicyclo[2.1.0]pent-2-ene were found to produce allylacetylene and vinylallene.
摘要 利用红外和紫外/可见光谱研究了在低温
氩气基质中分离的
环戊二烯的光
化学。Bicyclo[2.1.0]pent-2-ene 是通过使用超高压
汞灯照射基质分离的
环戊二烯形成的。当使用低压
汞灯以较短波长照射基质隔离的
环戊二烯时,发现双环[2.1.0]戊-2-烯进一步反应生成烯丙基
乙炔和
乙烯基丙二烯。虽然
环戊二烯形成双环[2.1.0]戊-2-烯的光
化学在溶液系统中是已知的,但在基质分离系统中烯丙
乙炔和
乙烯基丙二烯的生产以前从未报道过。物种的分配和反应机制的确定是使用分子轨道计算进行的。