Preparation of an aromatic bisoxazoline

Rolf A.T.M. van Benthem (Inventor), J.A. Loontjens (Inventor), P.H.M. Hendriks (Inventor), B.J.M. Plum (Inventor)

Research output: PatentPatent publication

Abstract

The invention relates to a process for the preparation of an aromatic bisoxazoline in which, in a first step, an aromatic carboxylic acid or an ester hereof reacts with an alkanolamine, after which the hydroxyalkylamide obtained is in a second step > converted into an aromatic bisoxazoline in the presence of a catalyst. The catalyst is phosphinic acid, a (C1-C26) alkyl phosphinic ;;,--- acid, a (C6-C20) aryl phosphinic acid or an ester or an anhydride derived from one of these acids.
Original languageEnglish
Patent numberWO/01/04104
Priority date12/07/99
Filing date27/06/00
Publication statusPublished - 18 Jan 2001
Externally publishedYes

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