Collect. Czech. Chem. Commun. 2002, 67, 1779-1789

Solvent-Free Synthesis of Sulfonephthaleins, Sulfonefluoresceins and Fluoresceins Under Microwave Irradiation

Simon Cihelník, Ivan Stibor* and Pavel Lhoták

Department of Organic Chemistry, Institute of Chemical Technology, Prague, Technická 5, 166 28 Prague, Czech Republic


An efficient solvent-free synthesis of sulfonephthaleins, sulfonefluoresceins and fluoresceins under microwave irradiation is reported.

Keywords: Microwave assisted reactions; Triphenylmethane dyes; Acidobasic indicators; Phthaleins; Green chemistry.

References: 22 live references.