Preparation of cyclic N,N'-dimethylureas

Details Preparation of cyclic N,N'-dimethylureas Preparation of cyclic N,N'-dimethylureas

1989-01-04

1990-05-15

Ford, John M.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

548317, C07D23936, C07D23334

Patent

active

049259407

ABSTRACT:
Cyclic N,N'-dimethylureas are prepared by catalytic hydrogenation of a cyclic urea which carries hydroxyl groups in the .alpha.-position to the two nitrogen atoms.

REFERENCES:
patent: 4617400 (1986-10-01), Ito et al.
patent: 4642351 (1987-02-01), Woo et al.
Liebigs Ann. Chem. Synthese und Eigenschaften . . . , 726, 89-99 (1969) H. Peterson.

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