DYES AND PIGMENTS, vol.30, no.2, pp.99-104, 1996 (Journal Indexed in SCI)
Article / Article
Title of Journal :
DYES AND PIGMENTS
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.