有机化学 ›› 1995, Vol. 15 ›› Issue (4): 419-423. 上一篇    下一篇

研究论文

3-芳基戊二酰基双(4'-苯并-15-冠-5)的合成

李淑勉;侯守君;黄枢;田宝芝   

  1. 郑州轻工业学院化工系;四川大学化学系
  • 发布日期:1995-08-25

Synthesis of 3-arylpentanedioyl bis (4'-benzo-15-crown-5)s

LI SHUMIAN;HOU SHOUJUN;HUANG SHU;TIAN BAOZHI   

  • Published:1995-08-25

苯甲醛和对氯苯甲醛在碱存在下分别与4'-乙酰基苯并-15-冠-5缩合, 生成冠醚化查尔酮1a和1b. 此二化合物作为中间体进一步与4'-乙酰基苯并-15-冠-5发生Michael反应, 生成两种酮型双冠醚2a和2b.

关键词: 合成, 迈克尔加成反应, 冠醚

Benzaldehyde and p-chlorobenzadhyde reacted with 4'-acetylbenzo-15-crown-5 in the presence of alkali to afford the crowned chalcones 1a and 1b respectively. The resulting intermediates further reacted with 4'-acetylbenzo-15-crown- 5 by Michael reaction to produce two ketonic type biscrown ethers 3-arylpentanedioyl bis (4'-benzo-15-crown-5)s 2a and 2b.

Key words: SYNTHESIS, MICHAEL ADDITION REACTION, CROWN ETHER

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