Synthesis and antimicrobial activity evaluation of coumarin-3-carboxylic acids obtained via Knoevenagel Condensation using chitosan as a recyclable catalyst - Abrantes, Paloma Gomes; Costa, Israel Ferreira da; Abrantes, Poliana Gomes; Magalhães, Renata R; Teixeira, Braulio A; Galvão, José Lucas Ferreira Marques; Lima, Edeltrudes de Oliveira; Teotonio, Ercules Epaminondas de Sousa; Vale, Juliana Alves do (Brazilian Meeting on Organic Synthesis/BMOS, 2024)