Melamine trisulfonic acid as a highly efficient catalyst for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes under solvent-free conditions
Journal: Iranian Chemical Communication (Vol.2, No. 1)Publication Date: 2014-01-01
Authors : Abdolkarim Zare; Fatemeh Monfared;
Page : 1-17
Keywords : 14-Aryl-14H-dibenzo[a; j]xanthene; melamine trisulfonic acid (MTSA); 2-naphtol; arylaldehyde; solvent-free; microwave;
Abstract
Melamine trisulfonic acid (MTSA) is utilized as a highly efficient catalyst for the solvent-free condensation reaction of 2-naphthol (2 eq.) with arylaldehydes (1 eq.) under conventional thermal as well as microwave conditions to give the d
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