Process for the production of blocked compounds optionally conta

Details Process for the production of blocked compounds optionally conta Process for the production of blocked compounds optionally conta

1983-04-25

1984-03-27

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

548307, C08G 1864, C07D23530

Patent

active

044395914

ABSTRACT:
The present invention relates to a process for the production of compounds containing reversibly blocked and, optionally, free alcoholic hydroxyl groups, characterized in that organic compounds containing at least one alcoholic hydroxyl group, but otherwise being inert under the reaction conditions are reacted at 0.degree. to 140.degree. C. with N,N'-disubstituted 5-acylimino-imidazolidine diones. The present invention also relates to the use of these compounds for the production of polyurethanes.

REFERENCES:
patent: 3655689 (1972-04-01), Singer
patent: 3822282 (1974-07-01), Singer
Houben-Weyl, Methoden der organischen Chemie, vol. XIV/2, 4th Edition, Georg Thieme Verlag, Stuttgart 1963, pp. 61-70.

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