Preparation of 2,4,5-triamino-6-hydroxypyrimidine by catalytic h

Details Preparation of 2,4,5-triamino-6-hydroxypyrimidine by catalytic h Preparation of 2,4,5-triamino-6-hydroxypyrimidine by catalytic h

1991-02-28

1992-03-31

Ford, John M.

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

Organic compounds

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

C07D23950

Patent

active

051010313

ABSTRACT:
The preparation of 2,4,5-triamino-6-hydroxypyrimidine by catalytic hydrogenation of 2,4-diamino-6-hydroxy-5-nitrosopyrimidine is carried out by performing the hydrogenation in the presence of noble metal catalysts without the addition of basic agents before and during the hydrogenation, and adding the base required for dissolution of the product and for separation of the solution of the product from the catalyst only after the completion of the hydrogenation.

REFERENCES:
patent: 2447523 (1948-08-01), Mozingo et al.

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