SEARCH Articles Figures Tables Acylation, formylation and alkylation Formyl- and Acyl-1,2,3-Triazoles Heterocyclic Acyl and Formyl Anion Heterocyclic Acyl and Formyl Anion Equivalents Thiazoles, 2-acyl formylation Thiophene: acylation formylation Thiophenes, acylation formylation Vilsmeier-Haack formylation/acylation Vilsmeier-Haack formylation/acylation indoles Vilsmeier-Haack formylation/acylation pyrroles