有机化学 ›› 1992, Vol. 12 ›› Issue (5): 492-496. 上一篇    下一篇

研究论文

β'-芳氨基a,β-不饱和酮及其盐酸盐与苯肼的反应

李艳;徐秀娟   

  1. 北京师范大学化学系
  • 发布日期:1992-10-25

The reaction of β'-arylamino-a,β-unsaturated ketone and it's hydrochloride salts with phenylhydrazine

LI YAN;XU XIUJUAN   

  • Published:1992-10-25

本文通过β'-芳氨基a,β-不饱和酮及其盐酸盐与苯肼反应的研究,进一步扩大了β-芳氨基酮在有机合成上的应用范围,并为了-β-芳氨乙基-2-吡唑啉化合物和1,2,8-三氮双环[3,3,0]辛烷找到了切实可行的合成方法,具有原料易得、操作简便、易于纯化等特点.

关键词: 氮杂二环辛烷, 芳氨基酮, 曼尼希反应, 苯肼, 盐酸盐, 吡唑啉 P

Treating PhCH:CRCOCH2CH2NHR1 (I, R = H, Me, R1 = 4-ClC6H4, 4-BrC6H4, 4-IC6H4, 3,4-Cl2C6H3, 4-MeC6H4, 4-MeOC6H4) with equimolar PhNHNH2 at 40?in EtOH-AcOH for 8 h gave 34-72% triazabicyclooctanes II whereas treating I.HCl with equimolar PhNHNH2 at 40?in EtOH-AcOH for 24 h gave 44-52% pyrazolines III.

Key words: MANNICH REACTION, AZABICYCLOOCTANE, PHENYLHYDRAZINE, HYDROCHLOTIDE, PYRAZOLINE P

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