有机化学 ›› 2001, Vol. 21 ›› Issue (7): 535-537. 上一篇    下一篇

研究论文

无外加催化剂条件下2-氨基-3-腈基-4-芳基-7,7-二甲基-5-氧 代-4H-5,6,7,8- 四氢苯并-[b]-吡喃-3-羧酸乙酯的合成

高原;屠树江;周建峰;史达清   

  1. 深圳大学师范学院化生系.;徐州师范大学化学系.徐州(221009);淮阴 师范学院化学系
  • 发布日期:2001-07-25

A convenient synthesis of 2-amino-5,6,7,8-tetrahydro-5-oxo-4-aryl- 7, 7-dimethyl-4H-benzo-[b]-pyran-3-ethylcarboxylates without catalyst

Gao Yuan;Tu Shujiang;Zhou Jianfeng;Shi Daqing   

  1. Shenzhen.;Xuzhou Teachers Coll, Dept Chem.Xuzhou(221009)
  • Published:2001-07-25

亚苄基氰基乙酸乙酯(1)与5,5-二甲基-1,3-环已二酮在乙二醇中不加任何催化剂于80℃反应2~3h得2-氨基-4-芳基-7,7-二甲基-5-氧化-4H-5,6,7,8-四氢苯并-[b]-吡喃-3-羧酸乙酯(3),产率75%~93%。

关键词: 苯并吡喃P, 羧酸酯, 环己二酮P, 药理

A series of 2-amino-5,6,7,8-tetrahydro-5-oxo-4-aryl-7,7-dimethyl-4H- benzo-[b]-pyran-3-ethylcarboxylates were synthesized by reaction of ethyl arylidene cyanoacetate with 5,5-dimethyl-1,3-cyclohexanedione in ethylene glycol at 80℃ for 2~3 h in the absence of any catalysts.

Key words: BENZOPYRAN P, CARBOXYLIC ACID ESTER, CYCLOHEXANEDIONE P, PHARMACOLOGY

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