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Investigation of the conditions of synthesis composite optical fiber-magnetic powder
(Sintering Society, 2000)
The goal of these investigations was synthesis of composite optical fiber-magnetic powder with new application possibilities like sensors, detectors etc. The part of results of investigation of the possibility of embedding ...
The crystal structure of 14-oxo-13,14-seco-5α-cholest-13(18)-en-3β-yl acetate and the assignment of the configuration of its acetoxy derivatives / Kristalna struktura 14-okso-13,14-seko-5α-holest-13(18)-en-3β-il-acetata i određivanje konfiguracije njegovih acetoksi derivata
(Serbian Chemical Society, 2000)
The crystal structure of 14-oxo-13,14-seco-5α-cholest-13(18)-en-3β-yl acetate (2), obtained (in addition to the (E)-Δ12-isomer 3) by oxidative fragmentation of the C(13)-C(14) bond of 14α-hydroxy-5α-cholestan-3β-yl acetate ...
Lead tetraacetate oxidation of the Diels-Alder adduct of 7-dehydrocholestryl acetate with maleic anhydride / Olovotetraacetatna oksidacija Dils-Adlerovog adukta 7-dehidro-holesteril-acetata sa anhidridom maleinske kiseline
(Belgrade : Serbian Chemical Society, 2000)
The Diels-Alder adduct (3), obtained by cycloaddition of 7-dehydrocholesteryl
acetate (1) and maleic anhydride (2), was heated at ca. 90 oC with a large excess of lead
tetraacetate in pyridine solution for 5 h. Under ...
The synthesis of some unsaturated 4-substituted-g-lactones / Sinteza nekih nezasićenih 4-substituisanih-g-laktona
(Belgrade : Serbian Chemical Society, 2000)
The synthesis of conjugated and nonconjugated unsaturated 4-substituted lactones
of type 1 and 2 are described. The type 1 lactone was prepared by a two step
procedure employing Bredereck s reagent. The type 2 lactone ...
Activity of some disiloxanes toward the cation exchange resin-catalyst in the siloxane equilibration reaction / Aктивност дисилоксана према катјонској јоноимењивачкој смоли - катализатору реакције силоксанске еквилибрације
(Belgrade : Serbian Chemical Society, 2000)
The relative activities of four disiloxanes toward the cation exchange resin, which was used as an equilibration catalyst, were determined in such a way that the equilibrium initialy present in an arbitrary chosen equilibrate ...
Determination and structural correlation of the pKa values of p-substituted trans-2,3-epoxy-4-oxo-4-phenylbutanoic acids / Određivanje pKa vrednosti i korelacija sa strukturom p-supstituisanih trans-2,3-epoksi-4-okso-4-fenilbutanskih kiselina
(Srpsko hemijsko društvo, Beograd, 2000)
The pKa values for a series of eight p-substituted trans-2,3-epoxy-4-phenyl butanoic acids (p-substituted trans-β-aroylepoxyacrylic acids) have been determined potentiometrically in aqueous media at 25 °C at an ionic ...
Streptomyces subtilisine (SSL) inhibitor from streptomyces hygroscopius CH-7: Detection and partial characterization / Streptomyces subtilizinu sličan inhibitor (SSL-inhibitor) iz streptomyces hygroscopicus CH-7 - detekcija i delimična karakterizacija
(Acta biologica iugoslavica - serija B: Mikrobiologija, 2000)
Strain Streptomyces (S.) hygroscopicus CH-7 during the fermentation of polyketide antibiotic produces as a by product proteolytic complex with significant trypsin like activity. Also, S. hygroscopicus CH-7 produces ...
Effect of methyl oleate and Tween 80 on the antibiotic productivity and the fatty acid composition of the total lipids of Streptomyces hygroscopicus CH-7 / Dejstvo metil oleata i Tween-a 80 ha produkciju antibiotika i sadržaj masnih kiselina u ukupnim lipidima soja Streptomyces hygroscopicus CH-7
(Serbian Chemical Society, 2000)
The effects of methyl oleate and Tween 80, hexaene H-85 production stimulators, on the fatty acid composition of the total lipids of S. hygroscopicus CH-7 were investigated. Besides oleic acid in the biomass, an increase ...
Mushrooms: An important food product / Jestive gljive (pečurke) - cenjen proizvod ishrane
(Srpsko hemijsko društvo, Beograd, 2000)
In this paper mushrooms as an important food component were described. Their chemical composition: nitrogen compounds, carbohydrates, mineral and organic acids, as well as vitamins, enzymes and aromatic and extractable ...
Alkylation of carbonyl compounds in the TiCl4-promoted reaction of trimethylsilyl enol ethers with ethylene oxide
(Oxford : Pergamon-Elsevier Science Ltd, 2000)
Titanium tetrachloride promoted reaction of trimethylsilyl enol ethers with ethylene oxide affords homoaldol type products in moderate/good yields. The reaction is believed to proceed via the titanium enolates. (C) 2000 ...