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化学学报
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化学学报 ›› 1953, Vol. 19 ›› Issue (3): 117-120. 上一篇    下一篇

论文

α-二苯甲基环己酮

张滂   

  1. 北京大学化学系
  • 投稿日期:1953-03-22 发布日期:2013-06-04

α-Diphenylmethyl-cyclohexanone

Pang Chang   

  1. Peking University, Peking
  • Received:1953-03-22 Published:2013-06-04

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β-羰基环己甲酸甲酯舆二苯溴甲烷在沸苯中縮合生成的α-二苯甲基-β-羧基环己甲酸甲酯,经水解生成α-二苯甲基庚二酸.其钍监在400-450°间裂解,生成α-二苯甲基环己酮.

Condensation of methyl β-keto-cyclohexane-carboxylate with diphenyl bromomethane in boiling benzene gives rise to methyl α-diphenylmethyl-β-keto-cyclohexane-carboxylate.Hydrolysis of the keto ester with 10% alcoholic potash opens the ring to give α-diphenylmethyl-pimelic acid,the thoriwn salt of which,on pyrolysis at 400-450°,yields α-diphenyhnethyl-cyclo-hexaxione as expected.