@article { ISI:000302535600002,
	title = {Solvent-free one-pot synthesis of sulfonephthaleins from saccharin and phenols},
	journal = {Synthetic Communications},
	volume = {42},
	number = {8},
	year = {2012},
	month = {OCT},
	pages = {1101-1107},
	publisher = {TAYLOR \& FRANCIS INC},
	address = {325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA},
	abstract = {<p>Sulfonephthaleins can be synthesized in a single pot from saccharin and phenol via the in situ formation of 2-sulfobenzoic anhydride, followed by its reaction with phenol using H2SO4 as the condensing agent, in the absence of any solvent. This solvent-free synthesis is more economical and environmentally benign.</p>},
	keywords = {H2SO4, Phenols, saccharin, sulfonephthalein},
	issn = {0039-7911},
	doi = {10.1080/00397911.2010.535946},
	author = {Tillu, V. H. and Dumbre, Deepa K. and Borate, Hanumant B. and Wakharkar, R. D. and Choudhary, Vasant R.}
}
