有机化学 ›› 1999, Vol. 19 ›› Issue (4): 418-423. 上一篇    下一篇

研究论文

Grignard试剂与α-肉桂酰基环二硫缩烯酮的区域选择性加成反 应

林春;侯冬岩;刘群;方群欣;张长山   

  1. 鞍山师范学院化学系;东北师范大学化学系.长春(130024)
  • 发布日期:1999-08-25

The regioseletive addition of grignard reagents to α -cinnamoyl ketene cyclic dithiacetals

Lin Chun;Hou Dongyan;Liu Qun;Fang Qunxin;Zhang Changshan   

  1. NE Normal Univ, Dept Chem.Changchun(130024)
  • Published:1999-08-25

乙基、丙基、丁基、苯基和苄基卤化镁等Grignard试剂与具有三个亲电中心的α-肉桂酰基环二硫缩烯酮类化合物2反应,加成反应发生在2中与芳基相邻的碳原子上,生成共轭加成产物3,反应具区域选择性。

关键词: 烯酮, 区域选择反应, 肉桂酰基, 格氏试剂, 加成反应, 区域选择性

The regioselective addition of ethyl、n-propyl、n-butyl、 phenyl and benzyl Grignard reagents to α-cinnamoyl ketene cyclic dithioacetals 2, a conjugate three-centre electorphile, is reported in this paper. The attack of Grignard reagents to compounds 2 occured at the carbon atom adjacent to the aryl of 2.

Key words: ADDITION REACTION, REGIOSELECTIVITY, KETENE, GRIGNARD REAGENT

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