Folate antagonists. 12. Antimalarial and antibacterial effects of 2,4-diamino-6-[(aralkyl and alicyclid)thio-, sulfinyl-, and sulfonyl]quinazolines. - Suppr | 超能文献

Folate antagonists. 12. Antimalarial and antibacterial effects of 2,4-diamino-6-[(aralkyl and alicyclid)thio-, sulfinyl-, and sulfonyl]quinazolines.

作者信息

Elslager E F, Davoll J, Jacob P, Johnson A M, Johnson J, Werbel L M

出版信息

J Med Chem. 1978 Jul;21(7):639-43. doi: 10.1021/jm00205a009.

DOI:10.1021/jm00205a009

PMID:97382

Abstract

A series of 2,4-diamino-6-[(aralkyl and alicyclic)thio-, sulfinyl-, and sulfonyl]quinazolines was prepared via condensation of 5-chloro-2-nitrobenzonitrile or 5,6-dichloro-2-nitrobenzonitrile with the appropriate aralkyl or alicyclic thiopseudourea, reduction of the resulting 2-nitro-5-[(aralkyl or alicyclic)thio]benzonitrile with stannous chloride to the amine, and cyclization with chloroformamidine hydrochloride. Oxidation was effected with hydrogen peroxide or the bromine complex of 1,4-diazabicyclo[2.2.2]octane. These analogues when examined for suppressive activity against drug-sensitive lines of Plasmodium berghei in mice were not as active as 2,4-diamino-6-[3,4-dichlorobenzyl)amino]quinazoline (Ia).

摘要

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