CATALYTIC METHOD FOR PRODUCING PHENOLPHTHALEIN COMPOUNDS

A method of producing a phenolphthalein comprises reacting a phenolic compound of the formula: wherein R1 is a hydrogen or a C1-C12 hydrocarbyl group, with a phthalic anhydride compound of the formula: wherein R2 is a hydrogen, a C1-C12 hydrocarbyl group, or a halogen, in the presence of a heterogen...

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Bibliographische Detailangaben

Hauptverfasser:	HALLIGUDI SHIVAPPA BASAPPA, MALLIKA SALKOD PARAMESHWAR, VELDURTHY BHASKAR, KISHAN GURRAM, BHOTLA VENKATA RAMA NARAYANAN GANAPATHY
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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