Reactant involved in: Cyclocondensation and deacetylation of dibromo(phenylsulfonyl)propene derivatives for synthesis of disubstituted furans Synthesis of dual activity effectors of angiotensin II type 1 receptors and peroxisome proliferator-activated receptor-γ Addition reactions with 1-alkynes Knoevenagel condensation Oxidative free radical reactions with 2-amino-1,4-benzoquinones Mild oxidative cleavage for synthesis of carboxylic acids