Catalytic method for producing phenolphthalein compounds

1 112 2 112 1 112 2 112 A method of producing a phenolphthalein comprises reacting a phenolic compound of the formula: wherein Ris a hydrogen or a C-Chydrocarbyl group, with a phthalic anhydride compound of the formula: wherein Ris a hydrogen, a C-Chydrocarbyl group, or a halogen, in the presence of...

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Hauptverfasser:	Bhotla, Venkata Rama Narayanan Ganapathy, Halligudi, Shivappa Basappa, Kishan, Gurram, Mallika, Salkod Parameshwar, Veldurthy, Bhaskar
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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