Chin. J. Org. Chem. ›› 1989, Vol. 9 ›› Issue (5): 460-462. Previous Articles     Next Articles

4,5,6-三取代-2H-吡喃-2-酮的简便合成法

黄宪;吴国永   

  1. 杭州大学化学系
  • 发布日期:1989-10-25

A new convenient synthesis of 4,5,6-trisubstituted-2H-pyron-2-ones

  • Published:1989-10-25

The title compounds I (R1 = H, Me, Br, NO2; R2 = Me, H) were prepared from 5-[bis(methylthio)methylene] Meldrum's acid and ketones.

Key words: AROMATIC HYDROCARBON, DMSO, MALONIC ACID P, ORGANIC SYNTHESIS, NUCLEOPHILIC REACTION, ENOLS, PYRANONE P, ISOPROPYL ESTER

CLC Number: