Process for producing cyclic ureas

Details Process for producing cyclic ureas Process for producing cyclic ureas

1989-03-07

1990-04-17

Bond, Robert T.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

544315, 548317, C07D23334, C07D23936, C07D24304

Patent

active

049181866

ABSTRACT:
A process for producing a cyclic urea is provided. The process comprises reacting a diamine expressed by the formula (II)

REFERENCES:
patent: 3838165 (1974-09-01), Blochl
Puschin et al., "Compounds of Phosgene, etc." (U.S. Patent and Trademark Office) (Jun. 1986).
Chemische Berichte, vol., 93, 1960, "Darstellung N-haltiger Heterocyclen uber silicium-organischs Verbindungen; eine neue Harnsaure-Synthese", Lecnhard Birkofer, Hans Peter Kuhlthau und Alfred Ritter. (Chemical Abstracts, vol. 55, 5484b).
Journal of Chemical Society, 1947, pp. 307-318, "Respiratory Stimulants. Part I. Fully-Substituted Ureas Derived From Alpha Omega-Alkylenediamines", W. R. Bcon.

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