نتایج جستجو برای: pyridinone
تعداد نتایج: 139 فیلتر نتایج به سال:
The importance of RNA secondary structure on HIV-1 reverse transcriptase catalyzed polymerization and on the potency of the pyridin-2-one inhibitor 3-(4,7-dichlorobenzoxazol-2-ylmethylamino)-5-ethyl-6-meth ylpyridin-2(1H)-one, L-697,661, were investigated by employing heteromeric primer-template systems. Our data revealed that a stem-loop hairpin secondary structure in the RNA template could le...
The speciations of two drug candidate ligands, 2-hydroxypyridine-N-oxide (Hhpno) and 2-mercaptopyridine-N-oxide (Hmpno), with vanadate (V(V)) were determined at 25.0 degrees C and 0.20 mol dm(-3) KCl by pH-metric and (51)V-NMR methods. At pH 7.4, the two predominant compounds with both ligands are the VO(2)L(2) and VO(2)L(OH). NH(4)[VO(2)(hpno)(2)] x 3 H(2)O was prepared in solid form, and its ...
In vivo growth-inhibition of Sarcoma 180 by piplartine and piperine, two alkaloid amides from Piper.
Piplartine {5,6-dihydro-1-[1-oxo-3-(3,4,5-trimethoxyphenyl)-2-propenyl]-2(1H)pyridinone} and piperine {1-5-(1,3)-benzodioxol-5-yl)-1-oxo-2,4-pentadienyl]piperidine} are alkaloid amides isolated from Piper. Both have been reported to show cytotoxic activity towards several tumor cell lines. In the present study, the in vivo antitumor activity of these compounds was evaluated in 60 female Swiss m...
Iron (Fe) deficiency chlorosis (IDC) affects the growth of several crops, especially when growing in alkaline soils. The application synthetic Fe-chelates is one most commonly used strategies IDC amendment, despite their associated negative environmental impacts. In a previous work, Fe-chelate tris(3-hydroxy-1-(H)-2-methyl-4-pyridinonate) iron(III) [Fe(mpp)3] has shown great potential for allev...
AG1343 ([3S-(3R*,4aR*,8aR*,2'S*,3'S*)]-2-[2' hydroxy-3'-phenylthiomethyl-4'-aza-5'-oxo-5'-(2''-methyl-3''-hydro xy-phenyl) pentyl]-decahydroiso-quinoline-3-N-t-butylcarboxamide methanesulfonic acid) is a selective, nonpeptidic inhibitor of human immunodeficiency virus (HIV) protease (Ki = 2 nM) that was discovered by protein structure-based drug design methodologies. AG1343 was effective agains...
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