化学学报 ›› 1988, Vol. 46 ›› Issue (7): 724-726. 上一篇    

研究论文

1-芳基-3-(5-氯-1,3-二苯基-1H-4-吡唑基)-2,3-环氧-1-丙酮的新重排反应

El-Shekeil,A.G;Babaqi,A.S;Hassan,M.A;Shiba,S.A   

  1. Sana'a大学化学系
  • 发布日期:1988-07-15

A novel rearrangement of 1-aryl-3-(5-chloro-1,3-diphenyl-1H-4-pyrazolyl)-2,3-epoxy-1-propanones

El-Shekeil,A.G;Babaqi,A.S;Hassan,M.A;Shiba,S.A   

  • Published:1988-07-15

报导了1-芳基-3-(5-氯代-1,3-二苯基-1H-4-吡唑基)-2,3-环氧-1-丙酮的重排反应, 生成β-(4,5-二氢-1,3-二苯基-5-酮-1H-4-吡唑基)-α-羟基-α-P-甲苯基丙酸, 讨论了反应机理, 并用红外光谱, 核磁共振氢谱, 碳十三核磁共振和微量分析证实了结构.

关键词: 丙酸 P, 吡唑 P, 反应机理, 重排反应, 吡唑酮 P, 苯酰基, 环氧化物

An interesting rearrangement of title compound I (R = Ph, p-MeC6H4) to aldehyde II and acid III (R = p-MeC6H4) is discussed. A mechanism is suggested and structures confirmed by IR, 1H- and 13C-NMR, and micro-anal.

Key words: METHYLACETIC ACID P, PYRAZOLE P, REACTION MECHANISM, REARRANGEMENT REACTION, PYRAZOLONE P, BENZOYL GROUP, EPOXIDE

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