Irradiation of 4-methylpent-3-en-2-one (1) in the presence of chlorotrimthylsilane yields the dienol silyl ether (Z)-4-methyl-2-trimethylsiloxypenta-2,4-diene (2b); the trapping of a single dienol is shown to be consistent with a singlet excited state mechanism.
在
氯三甲基
硅烷的存在下辐照4-甲基
戊-3-烯-2-酮(1),得到二烯醇甲
硅烷基醚(Z)-4-甲基-2-三甲基甲
硅烷氧基戊-2,4-二烯(2b);单个二烯醇的捕获与单线态激发态机理一致。