C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 251/70 (2006.01) B01J 27/16 (2006.01)
Patent
CA 2131474
A process for the preparation hydroxyoxaalkylmelamines of the general formula I (see formula I) in which R1 denotes a residue of the general formula II (see formula II) in which the radicals R' can be the same or different and stand for hydrogen or C1-C4 alkyl and n denotes 2 or 3 and the radicals R2 and R3 stand for one of the radicals R1 or hydrogen, by the reaction of melamine with a compound of the general formula III (see formula III) in which R' and n have the meanings stated above, at a temperature of from 120° to 250°C and in the presence of an acid catalyst, in which the acid catalyst is used in a concentration of from 0.01 to 0.15 mol and preferably from 0.02 to 0.12 mol and more preferably from 0.03 to 0.1 mol, based on 1 mol of melamine.
Dimmler Manfred
Guenther Erhard
Reuther Wolfgang
Scherr Gunter
Basf Aktiengesellschaft
Dimmler Manfred
Guenther Erhard
Reuther Wolfgang
Robic
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