pathway was provided by the pyrolytic decomposition of 2-deuterio tosylhydrazone 8a which generates o-terphenyl 10a and 10b in ratio of 69:31. These results are interpreted in terms of the carbene rearrangements of Schemes 2, 3 and 5.
4,4
-二苯基-2,5-环己二酮
甲苯磺酰Li的
锂盐的热解产生
联苯,邻-
联苯,对-
联苯,甲基-邻-
联苯和4,4-二联-苯并嗪的混合物2,5-环己二酮(13)。洞察反应途径是通过2-
氘代甲苯磺酰腙的热分解提供图8a,其生成ö三
联苯10A和10B中的69:31比率。这些结果是根据方案2、3和5的卡宾重排来解释的。