Kawther A. Alheety , Nebeas M. Jamel and Basma J. Ahmed
الملخص الانجليزي
Pechmann Reaction :Many routes are available for the synthesis of coumarins. Mony of these types for Pechmann reaction is considered to be one of the most important one as it requires simple starting materials With simple phenols and ester compounds containing compounds have β-carbonyl group .
on all reports discussed in this review methods of Synthesis of Coumarin Derivatives via Pechmann reaction hould catalysts have shown promising catalytic activity by Conventional and Microwave Irradiation methods than Without any Catalyst .
The results at these all methods We respect them were reported , the remarkable observations, high yield
د. بسمة جعفر احمد | Dr. Basma Jaafr Ahmed | 2821