Solvent-free synthesis of sulfonephthaleins, sulfonefluoresceins and fluoresceins under microwave irradiation

S Cihelník, I Stibor, P Lhoták

Index: Cihelnik, Simon; Stibor, Ivan; Lhotak, Pavel Collection of Czechoslovak Chemical Communications, 2002 , vol. 67, # 12 p. 1779 - 1789

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Citation Number: 8

Abstract

Department of Organic Chemistry, Institute of Chemical Technology, Prague, Technická 5, 166 28 Prague, Czech Republic; e-mail: 1 si.ci@seznam.cz, 2 stibori@vscht.cz, 3 lhotakp@vscht.cz ... 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.