Manufacture of 2-(alkyl)amino-4-hydroxy-5-alkylpyrimidines

Details Manufacture of 2-(alkyl)amino-4-hydroxy-5-alkylpyrimidines Manufacture of 2-(alkyl)amino-4-hydroxy-5-alkylpyrimidines

1974-01-02

1976-03-30

Gallagher, Richard J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602564N, C07D23934

Patent

active

039474402

ABSTRACT:
Reaction of a 2-amino-, 2-alkylamino- or 2-dialkylamino-4-hydroxypyrimidine, preferably also containing a methyl group at the 6 position, with an aldehyde R--CHO in presence of hydrogen and a hydrogenation catalyst introduces an alkyl group R--CH.sub.2 -- into the 5 position. The reaction is preferably carried out under superatmospheric pressure at a temperature between 80.degree. and 180.degree.C and is aided by metal salts, acids, amines, amine salts or basic ion-exchange resins.

REFERENCES:
patent: 3428641 (1969-02-01), Myerly et al.

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