Process for the preparation of 4-hydroxyphenyl benzoate derivatives

US5654471A · kind A · utility

Assignee

• Consortium für elektrochemische Industrie GmbH · DE

Inventors

• Ingo Zahn · Munich, DE
• Norman Haeberle · Munich, DE
• Peter Weitzel · Reischach, DE

Key dates

• Filing date: Nov 2, 1995
• Grant date: Aug 5, 1997
• Expiry date: Nov 2, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C67/03
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

4-Hydroxyphenyl benzoate derivatives of the general formula 1: ##STR1## are prepared by cleaving 1,4-bis(benzoyl)hydroquinone derivatives of the general formula 2: ##STR2## with alkali metal alkanolates, in which in the general formulae 1 and 2 R.sup.1 to R.sup.14 are as defined in claim 1.