Improved synthesis of some hydroxycoumarins

Bulut M., Erk C.

DYES AND PIGMENTS, vol.30, no.2, pp.99-104, 1996 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 30 Issue: 2
  • Publication Date: 1996
  • Doi Number: 10.1016/0143-7208(95)00060-7
  • Title of Journal : DYES AND PIGMENTS
  • Page Numbers: pp.99-104

Abstract

An improved synthesis of some 7-hydroxycoumarin derivatives is reported. Hydroxybenzenes reacted with beta-ketoesters or d,1-malic acid in HClO4 to give good yields of 7-hydroxycoumarins. IR and H-1 NMR data for the products are also reported.