Synthesis of coumarins by transfer of C sub(3 sup(-)) unit of cinnamic-acids to phenols using polyphosphoric acid

Bhattacharjee, J.; Paknikar, S.K.

IR Home
→
Chemical Sciences
→
School of Chemical Sciences
→
View Item

Synthesis of coumarins by transfer of C sub(3 sup(-)) unit of cinnamic-acids to phenols using polyphosphoric acid

Bhattacharjee, J.; Paknikar, S.K.

Source : Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry. 28(3); 1989; 205-207.

URI: http://irgu.unigoa.ac.in/drs/handle/unigoa/178

Date: 1989

Document Type: Journal article

Abstract:

The reaction of cinnamic acid derivatives with different phenols in the presence of polyphosphoric acid gives coumarins in a single step, which involves transfer of the C sub(3 sup(-)) unit of cinnamic acids to the phenols used. A plausible mechanism is proposed.

Show full item record