作者:M. Rey、R. Begrich、W. Kirmse、Andr� S. Dreiding
DOI:10.1002/hlca.19680510502
日期:1968.7.10
The vacuum thermolysis (80–90°) of the sodium salt of cyclohex-3-ene-carbaldehyde p-toluenesulfonylhydrazone (1) in silicone oil gave diazomethyl-cyclohex-3-ene (2). Pyrolytic and photolytic decomposition of this diazo compound 2 lead to methylenecyclohex-3-ene (5) and bicyclo [4.1.0]hept-2-ene (6) (about 3:1), while the CuCl catalyzed cleavage yielded only 5. The postulated carbene mechanism should
环己-3-烯甲醛的钠盐的真空热解(80-90°)p -toluenesulfonylhydrazone(1在硅油),得到重氮甲基-环己-3-烯(2)。该重氮化合物2的热解和光解分解导致亚甲基环己-3-烯(5)和双环[4.1.0]庚-2-烯(6)(约3:1),而CuCl催化的裂解仅产生5。假定的卡宾机理也应在二甘醇二甲醚中1的钠盐的非质子传递直接分解条件下应用,其中除小分子外还形成亚甲基环己-3-烯和双环[4.1.0]庚-2-烯(约3:1) 1-甲基环己-1,3-二烯(9)和双环[4.1.0]庚-3-烯(8)。在质子条件下(在乙二醇中),亚甲基环己-3-烯,1-甲基环己-1、3-二烯和1-甲基环己-1、4-二烯(14)以1∶1∶1的比例产生。