Претраживање
Приказ резултата 1-10 од 69
Structure and stereochemistry of electrochemically synthesized poly-(l-naphthylamine) from neutral aceto- nitrile solution / Struktura i stereohemija poli-(1-naftilamina) elektrohemijski sintetisanog u neutralnom acetonitrilnom rastvoru
(Serbian Chemical Society, 2002)
Poly-(1-naphthylamine) films were synthesized potentiodinamically and potentiostatically from 1-naphthylamine in neutral acetonitrile medium using a platinum electrode. These polymer films were investigated by infrared ...
Hydride reduction of B-norcholestane 5α,6α-epoxide / Hidridna redukcija B-norholestan 5α,6α-epoksida
(Serbian Chemical Society, 2002)
B-Norcholestane epoxide 2 is reduced with lithium aluminium hydride to give either the 3β,6α-diol 3 or the corresponding 3β,5α-diol 4, depending on the quality of the reducing reagent employed. Aplausible mechanistic ...
Leucine aminopeptidase from Streptomyces hygroscopicus is controlled by a low molecular weight inhibitor
(Society of Fermentation and Bioengineering, 2002)
In culture filtrate of Streptomyces hygroscopicus a producer of polyketide antibiotics, a leucine aminopeptidase and its autogenous inhibitor were detected. The leucine aminopeptidase was purified 4573-fold with yield of ...
Leucinaminopeptidaza soja, streptomyces hygroscopicus - izolovanje i karakterizacija
(Medicinski fakultet, Beograd, 2002)
An optimized synthesis of a key pharmaceutical intermediate methyl 4-[(1-oxopropyl)phenylamino]piperidine-4-carboxylate / Optimizovana sinteza značajnog farmaceutskog intermedijera metil 4-[(1-oksopropil)fenilamino]piperidin-4-karboksilata
(Serbian Chemical Soc, Belgrade, 2002)
An efficient synthesis of methyl 4-[(1-oxopropyl)phenylamino]piperidine-4-carboxylate (7) has been developed, starting from 1-benzylpiperidin-4-one (1), The compound is a key intermediate in the synthesis of new generation, ...
Antimalarial peroxides: The first intramolecular 1,2,4,5-tetraoxane / Antimalarijski peroksidi - prvi intramolekulski 1,2,4,5-tetraoksan
(Serbian Chemical Society, 2002)
An intramolecular steroidal 1,2,4,5-tetraoxane has been synthesised in six steps starting from methyl3-oxo-7α,12α-diacetoxy-5β-cholan-24-oate. The synthesised 1,2,4,5-tetraoxane has moderate in vitro antimalarial activity ...
Strukturne karakteristike sjajnih galvanskih prevlaka / Structural characteristics of bright metal coatings
(Универзитет у Београду, Технолошко-металуршки факултет, 2002)
U rаdu su ispitаnе strukturе gаlvаnskih prеvlаkа mеtаlа kоје su nајčеšćе srеću u prаksi, tј. gаlvаnskih prеvlаkа bаkrа i cinkа. Prеvlаkе cinkа su tаlоžеnе iz sulfаtnоg kupаtilа sа dеkstrinоm i sаlicil аldеhidоm kао dоdаcimа ...
Study of sepiolite from Goles (Kosovo, Yugoslavia). I. Sorption capacity
(Serbian Chemical Society, 2002)
The sorption of molecules of different size and polarity (water. n-hexane. isooctane, benzene. toluene, cyclohexane, carbon tetrachloride, isopropanol, isobutanol, methanol, ethanol) by sepiolite from Gores. i.e. from the ...
The roughness analysis of metal coatings by STM technique: Part II: Analysis of zinc coatings / Analiza hrapavosti galvanskih prevlaka tehnikom skenirajuće tunelske mikroskopije - deo II - analiza prevlaka cinka
(Belgrade, Serbia : Engineering Society for Corrosion, 2002)
In this work is given the analysis of roughness of zinc coatings electrodeposited from a sulfate bath in the presence of dextrin and 2-hidroxi-benzaldehyde, by methodology which is described in part I of this work. It was ...
Polysulfone membranes for ultra and microfiltration / Polimerne membrane za ultra i mikrofiltraciju na bazi polisulfona
(Tehnika - Novi materijali, 2002)
The influence of the propionic acid as nonsolvent additive on the properties of the prepared polysulfone membranes was investigated. The obtained results show that the membranes prepared from the polymer solutions with ...