ABSTRACT:

Research Article

Ultrasound Promoted Synthesis of 3-carboxycoumarins
in Aqueous Media

JIAN-LONG DU*, LI-JUN LI and DA-HAI ZHANG

College of Chemistry & Environmental Science,
Hebei University, Baoding 071002, P.R. China

An efficient and green procedure has been developed for synthesis of 3-carboxycoumarins, the reaction can be carried out in water under ultrasound irradiation, avoiding addition of catalyst