Fig. 8: Acyl 1,2,4-triazoles as an alternative of acyl chloride.
From: Sustainable synthesis of fine chemicals and polymers using industrial chlorine chemistry
A Esterification using benzoyl chloride (88) and benzoyl -1,2,4-triazole (89). B Polycondensation using divalent acyl-1,2,4-triazole 91.
