Neue Diester,Verfahren zu ihrer Herstellung und ihre Verwendung

摘要

1344952 Bis-(imidazolidine esters) INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS 19 Jan 1972 [19 Jan 1971] 2562/72 Heading C2C [Also in Division C3] The invention comprises diesters (I), where R is a C 4-24 aliphatic or a C 5-24 alicyclic or aromatic in which the aromatic rings are optionally substituted by halogen or alkyl divalent radical; Ar 1 is a C 5-20 carbocyclic or heterocyclic aromatic radical comprising one or more substituted or unsubstituted aromatic rings which are fused or linked by carbon-carbon bonds or by groups or atoms; R 1 and R 2 are hydrogen or C 1-6 alkyl; and each R 3 is C 1-6 alkyl, and their preparation by reacting a diisocyanate or a derivative thereof with compounds of the Formula (II) where R 5 is alkyl, at 100-250‹ C.