New synthesis of 2,2'-bis-delta2-oxazoline

摘要

The present invention relates to a new method of synthesis of 2,2′-bisΔ²-oxazoline, which consists of three steps:in the first step,N,N′-bis-(2-hydroxyethyl)-oxamide (I) is reacted with hydrogen chloride and a nitrile of formula RCN in which R = H, alkyl, aryl, arylalkyl, alkylaryl, in order to yield the correspondingN,N′-bis-(2-iminoacyloxyethyl)oxamide.2HCl (II).;In the second step, the compound (II) is pyrolysed in order to yieldN,N′-bis-(2-chloroethyl)oxamide (III) which in the third step generates, by means of the treatment with a base, the desired product2,2′-bis-Δ²-oxazoline.