Chin. J. Org. Chem. ›› 2003, Vol. 23 ›› Issue (8): 877-879. Previous Articles     Next Articles

水中2-氨基-3-氰基-4-芳基-7,7-二甲基-5-氧代4H-5,6,7,8-四氢苯并[b]吡喃的洁净合成

史达清;张姝;庄启亚;屠树江;胡宏纹   

  1. 徐州师范大学化学系;南京大学化学系
  • 发布日期:2003-08-25

Clean Synthesis of 2-Amino-3-cyano-4-aryl-7,7-dimethyl-5-oxo-4H-5,6, 7,8-tetrahydrobenzo[b] pyran in Water

Shi Daqing;Zhang Shu;Zhuang Qiya;Tu Shujiang;Hu Hongwen   

  1. Department of Chemistry, Xuzhou Normal University;Department of Chemistry, Nanjing University
  • Published:2003-08-25

The reaction of substituted cinnamic nitrile with 5,5-dimethyl-1,3- cyclohexadione in water in the presence of triethylbenzylammonium chloride (TEBA) provides a fast, efficient, high-yielding and clean access to 2-amino-3-cyano-4-aryl~7,7-dirnethyl-5-oxo-4#-5,6,1,8- tetrahydrobenzo[ b ]pyran.

Key words: BENZOPYRAN P, TEBA, cinnamonitrile, CYCLOHEXANONE P

CLC Number: