Process for the preparation of 6-piperidino-2,4-diamino pyrimidi

Details Process for the preparation of 6-piperidino-2,4-diamino pyrimidi Process for the preparation of 6-piperidino-2,4-diamino pyrimidi

1988-07-29

1991-01-15

Lee, Mary C.

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

Organic compounds

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

544323, C07D23928

Patent

active

049855638

ABSTRACT:
In a first stage of a process for the preparation of 6-piperidino-2,4-diaminopyrimidine-3-oxide at least one of the two amino groups of a compound having formula (1): ##STR1## where x represents a halogen atom or OH group, is protected by an addition reaction with an isocyanate having formula:

REFERENCES:
patent: 3382247 (1968-05-01), Anthony et a.
patent: 3910928 (1975-10-01), McCall et al.

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