2993. Diaveridine

Nomenclature

CAS number: 5355-16-8
5-[(3,4-Dimethoxyphenyl)methyl]-2,4-pyrimidinediamine; 2,4-diamino-5-veratrylpyrimidine; 2,4-diamino-5-(3′,4′-dimethoxybenzyl)pyrimidine.
C13H16N4O2; mol wt 260.29.
C 59.99%, H 6.20%, N 21.52%, O 12.29%.

Description and references

Prepn: Falco et al., J. Am. Chem. Soc. 73, 3758 (1951). Hitchings, Falco, US 2624732 (1953 to Burroughs Wellcome); Stenbuck et al., J. Org. Chem. 28, 1983 (1963); Hoffer, US 3341541 (1967 to Hoffmann-La Roche); M. Hoffer et al., J. Med. Chem. 14, 462 (1971). Crystal structure: T. F. Koetzle, G. Williams, Acta Crystallogr. B34, 323 (1978).

Chemical structure

Properties

Crystals, mp 233°.
Ingredient of Darvisul which also contains sulfaquinoxaline.

Therapeutic Category (Veterinary)

Antiprotozoan (in combination with sulfaquinoxaline).