ESTERIFIZIERUNGSWEISE VON DIHYDROXYBENZOLEN

The present invention provides a method of esterifying dihydroxybenzene starting materials to synthesize unsymmetrical diesters in high yield. Many of the resultant unsymmetrical diesters are useful in dry bleaching compositions. The method can be practiced by selectively monoacylating a dihydroxybe...

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Bibliographische Detailangaben
Hauptverfasser:	FONG, RONALD A, ROWLAND, RICHARD R
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM METALLURGY ORGANIC CHEMISTRY RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	The present invention provides a method of esterifying dihydroxybenzene starting materials to synthesize unsymmetrical diesters in high yield. Many of the resultant unsymmetrical diesters are useful in dry bleaching compositions. The method can be practiced by selectively monoacylating a dihydroxybenzene starting material with an acid anhydride to form an intermediate monoester having the structure which is then acylated to form a diester reaction product having the structure wherein R1 is greater than R3 (and both R1 and R3 are alkyl groups) and X is a substituent group which does not participate in the esterification (or which can have a protecting group thereon).