作者:A. Sulpizio、M. Mella、A. Albini
DOI:10.1016/s0040-4020(01)89216-4
日期:1989.1
obtained from the ortho isomer), with minimal ring nitration. The formation of bibenzyls on irradiation with t-butyl peroxide of the same substrates is also studied. The mechanisms of the reactions with the NO•3 radical, a good electron acceptor, and with the alkoxy radical are contrasted and compared with photochemical hydrogen abstraction by nπ* and, respectively, ππ* excited states.
在邻,间和对伞花烃存在下辐照硝酸铈(IV)铵会产生攻击甲基的产物(硝酸盐-这些硝酸盐的分离产率为55-69%-硝基衍生物和醛)以及在异丙基上(苯乙酮,不是从邻位异构体获得的),且环硝化作用极小。还研究了在相同的底物上用叔丁基过氧化物辐照形成联苄。对比了与NO • 3自由基(一种良好的电子受体)和与烷氧基的反应机理,并分别通过nπ*和ππ*激发态与光化学氢提取进行了比较。