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Приказ резултата 1-10 од 15
Intramolecular Barbier reaction in water: Cyclopentane and cyclohexane ring closure / Intramolekulska Barbier-ova reakcija u vodi - sinteza petočlanih i šestočlanih prstenova
(Serbian Chemical Society, 2002)
Zinc or indium promoted intramolecular Barbier reactions of aldehydes containing a suitably positioned allylic or propargylic halide unit afford unsaturated cyclic alcohols in moderate yields.
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 ...
Regioselectivity of conjugate additions to monoalkyl-1,4-benzoquinones / Regioselektivnost konjugovane adicijena monoalkil-1,4-benzohinone
(Serbian Chemical Society, 2002)
The regioselectivity of the reaction of conjugate addition of thiols amines, methanol and hydrogen chloride with the monoalkyl-1,4-benzoquinones avarone and 2-tert-butyl- 1,4-benzoquinone was investigated. It was shown ...
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 ...
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 ...
Far-infrared spectroscopy of PbTe doped with iron
(Belgrade: Serbian Chemical Society, 2002)
Far infrared reflection spectra, at room and liquid nitrogen temperature, of PbTe single crystals doped with iron are presented. Plasma minima were observed at about 160 cm–1 and 180 cm–1 for room and liquid nitrogen ...
Search for source rocks of the crude oils of the Drmno depression, southern part of the Pannonian Basin, Serbia / Traganje za izvornim stenama nafti depresije Drmno, južni deo Panonskog basena, Srbija
(Serbian Chemical Society, 2002)
In a search for source rocks of the crude oils of the Drmno depression (southern part of the Pannonian Basin, Serbia), based on bulk and specific organic geochemical parameters, six out of eight Sirakovo, Bubušinac and ...
Reflection and structural characteristics of semi-bright and mirror bright nickel coatings / Refleksione i strukturne karakteristike polusjajnih i ogledalski sjajnih prevlaka nikla
(Serbian Chemical Society, 2002)
The reflection and structural characteristics of the nickel coatings obtained in the presence of a basic brightening addition agent only, and of both a basic and top brightening addition agent are examined. It is shown ...