PURINE ANALOGS AS AMPLIFIERS OF PHLEOMYCIN .4. SOME PYRAZOLO[3,4-D]PYRIMIDINE, IMIDAZO[4,5-B]-PYRIDINE, IMIDAZO[4,5-C]PYRIDINE AND QUINAZOLINE DERIVATIVES

被引:14
作者
BROWN, DJ [1 ]
DANCKWERTS, L [1 ]
GRIGG, GW [1 ]
IWAI, Y [1 ]
机构
[1] CSIRO,MOLEC & CELLULAR BIOL UNIT,N RYDE 2113,NEW S WALES,AUSTRALIA
关键词
D O I
10.1071/CH9790453
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
1-Methyl-1H-pyrazolo[3, 4-d]pyrimidine-4(5H)-thione (1b), its 1-phenyl analogue (1c), 1H-pyrazolo-[3, 4-d]pyrimidine-4, 6(5H, 7H)-dithione (2a), its 1-methyl (2b) and 1-phenyl (2c) derivatives, 1H-imidazo[4, 5-b and 4, 5-c]pyridine-2(3H)-thiones (5) and (6), and quinazoline-4(3H)-thione (9) react with simple alkyl halides, 2-chloroacetamide, 2-chloro-N-methylacetamide or 2-bromopropionamide to give the corresponding thioethers (3e-n), (4a-1), (7a-c), (8a-d) and (10). The unmethylated amides among these show dual NH peaks in their n.m.r. spectra. Activities as amplifiers of phleomycin against E. coli are tabulated and discussed. © 1979, CSIRO. All rights reserved.
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页码:453 / 458
页数:6
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