نتایج جستجو برای: nitro reduction
تعداد نتایج: 503397 فیلتر نتایج به سال:
The biotransformation of N-[4-(5-nitro-2-furyl)-2-thiazolyl]formamide (FANFT), a potent urinary bladder carcinogen, was studied in mice. About 82% of radioactivity was excreted as 14CO2 within 36 hr after intragastric administration of N-[4-(5-nitro-2-furyl)-2-thiazolyl]-[14C]formamide, suggesting its deformylation to 2-amino-4-(5-nitro-2-furyl)thiazole ( ANFT ). The latter was formed in vitro ...
Activation of [FeCl(dppe)Cp] (1) by chloride abstraction with Na[BArX4] (X = F, [B(3,5-(CF3)2-C6H3)4]; X Cl, [B(3,5-Cl2-C6H3)4]) permits reactions a range nitro aromatics, RC6H4NO2 (R halogen, Me, OMe, NO2 or NMe2), to give the cationic iron nitroso complexes [Fe{N(O)-C6H4R}(dppe)Cp][BArX4]) ([3][BArX4]). Similar 1 and [Fe(NCC6H4NO2)(dppe)Cp][BArX4] gave bimetallic [{Fe(dppe)Cp}2{?-N?CC6H4N(O)}...
As a result of the discovery that nitro compounds occur in nature there is likely to be a renewed interest in their fate in the body. The antibiotic chloromycetin (chloramphenicol) has been shown to be a p-substituted nitrobenzene, and the plant glycosides, hiptagin and karakin, have been shown by Carter & McChesney (1949) to contain ,B-nitropropionic acid (hiptagenic acid). It is possible that...
Helicobacter pylori (Hp) is thought to be a stomach carcinogen from epidemiological findings. To determine the effects of infection with the bacteria on experimental carcinogenesis, a study of the glandular stomach of Mongolian gerbils (MGs) was performed. Male MGs were treated with N-methyl-N'-nitro-N-nitrosoguanidine followed by inoculation with Hp or infected with Hp followed by N-methyl-N'-...
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