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872  Articles
1 of 88 pages  |  10  records  |  more records»
Relative purity assay on antibacterial components (isolates) of “atung” seeds using HPLC system (linier gradient of water-methanol, detection on UV at 280/254 nm) showed that the isolate-9 had the highest purity (94%), followed by isolate-6 (69%), isolate... see more

The reactions of [5+1]-cyclocondensation of [2-(3-aryl-1H-1,2,4-triazol-5-yl)phenyl]amines with aliphatic and aromatic ketones result in the corresponding 5-R-5-R1-2-aryl-5,6-dihydro-[1,2,4]triazolo[1,5-c]quinazolines with good yields. Modi? cation of the... see more

Reactions of [5+1]-cyclocondensation of [2-(3-aryl-1H-1,2,4-triazol-5-yl)phenyl]amines with aliphatic and aromatic aldehydes produce the corresponding 5-R-2-aryl-5,6-dihydro- or 5-R-2-aryl-[1,2,4]triazolo[1,5-?]quinazolines depending on the cond... see more

The kinetics of hydrogenation of aliphatic and aromatic nitriles, dinitriles in alcohol under the pressure of hydrogen on Ni-Nb (5% Nb) catalyst was systematically studied. The increase of the molecular weight and the change of the structure of nitrile re... see more

SYNTHESIS OF FUNCTIONAL DERIVATIVES OF 3-AMINO-2-R-7-(R'-PHENYL)-3H-THIENO[2,3-d]PYRIMIDINE-4-ONES AND STUDY OF THEIR ANTI-DIABETIC ACTIVITYOvsjanykova Yu.O., Sytnik K.M., Shemchuk L.A., Zagayko A.L., Fylymonenko V.P.National University of Pharmacy, ... see more

SYNTHESIS OF FUNCTIONAL DERIVATIVES OF 3-AMINO-2-R-7-(R'-PHENYL)-3H-THIENO[2,3-d]PYRIMIDINE-4-ONES AND STUDY OF THEIR ANTI-DIABETIC ACTIVITYOvsjanykova Yu.O., Sytnik K.M., Shemchuk L.A., Zagayko A.L., Fylymonenko V.P.National University of Pharmacy, ... see more

A very simple approach has been developed for conjugate addition of a variety of aliphatic and aromatic amines to electron deficient alkenes in presence tea extract at room temperature. General applicability, operational simplicity, aqueous media, mild re... see more

The intensive use of antibiotics in patient care institutions often without determining specificity and sensitivity to them leads to more rapid development of resistance to pathogens of nosocomial infections; that is why it is one of the urgent problems o... see more

The intensive use of antibiotics in patient care institutions often without determining specificity and sensitivity to them leads to more rapid development of resistance to pathogens of nosocomial infections; that is why it is one of the urgent problems o... see more

1 of 88 pages  |  10  records  |  more records»