Preparation of hydroxyoxaalkylmelamines

Details Preparation of hydroxyoxaalkylmelamines Preparation of hydroxyoxaalkylmelamines

1996-05-13

1997-06-10

Gupta, Yogendra N.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544194, 544200, C07D25154

Patent

active

056377045

ABSTRACT:
A process for the preparation hydroxyoxaalkylmelamines of the general formula I ##STR1## in which R.sup.1 denotes a residue of the general formula II ##STR2## in which the radicals R' can be the same or different and stand for hydrogen or C.sub.1 -C.sub.4 alkyl and n denotes 2 or 3 and the radicals R.sup.2 and R.sup.3 stand for one of the radicals R.sup.1 or hydrogen, by the reaction of melamine with a compound of the general formula III ##STR3## in which R' and n have the meanings stated above, at a temperature of from 120.degree. to 250.degree. 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.

REFERENCES:
patent: 4618676 (1986-10-01), Ebel et al.
patent: 4668785 (1987-05-01), Ebel et al.
patent: 4670558 (1987-06-01), Ebel et al.
patent: 4886882 (1989-12-01), Ebel et al.
patent: 5084488 (1992-01-01), Weiser et al.

Affiliated with

Also associated with

Rating

Preparation of hydroxyoxaalkylmelamines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of hydroxyoxaalkylmelamines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of hydroxyoxaalkylmelamines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-765552