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Catalyzes the N-acylation of indoles with carboxylic acids: Heterocycles, 19, 91 (1982). Promotes the reaction between Benzenesulfinic acid sodium salt, A12118, and propiolate esters, under phase-transfer conditions, to give (Z)-vinyl sulfones: Org. Synth. Coll., 8, 458 (1993).• Promotes the decarboalkoxylation of malonic esters and analogous compounds: Synth. Commun., 9, 609 (1979); Org. Synth. Coll., 6, 615 (1988); Can. J. Chem., 69, 1201 (1991).