有机化学 ›› 1998, Vol. 18 ›› Issue (4): 365-367. 上一篇    下一篇

研究论文

相转移催化合成偶氮脲

王玉炉;王晓阳;李建平;马东兰;王彩兰   

  1. 河南师范大学化学系
  • 发布日期:1998-08-25

Synthesis of azo ureas by PTC dehydrogenation method

WANG YULU;WANG XIAOYANG;LI JIANPING;MA DONGLAN;WANG CAILAN   

  • Published:1998-08-25

取代氨基脲的两相转移催化脱氢合成偶氮脲是一种新反应, 本文报道了用2, 4, 6-三叔丁基苯酚两相转移催化取代氨基脲脱氢形成偶氮化合物, 在温和的条件下合成了10个新偶氮脲, 均获得较好的产率(88-99%), 并对其反应机理作了合理的解释。

关键词: 叔丁基, 氨基脲 P, 结构表征, 苯酚 P, 脲类, 偶氮化合物, 相转移催化, 有机合成, 脱氢

Two phases catalyzed dehydrogenation synthesis of azo ureas from substituted semicarbazide is reported. Ten new azo compounds were synthesized in excellent yield (88-99%) under mild conditions. A reaction mechanism was proposed.

Key words: TERT-BUTYL GROUP, STRUCTURE CHARACTERISTICS, SEMICARBAZIDE P, PHASE TRANSFER CATALYSIS, AZO COMPOUNDS, UREAS, DEHYDROGENATION, ORGANIC SYNTHESIS, PHENOL P

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