Výsledky vyhledávání - "Mihailo Lj. Mihailović"

Lead tetraacetate oxidation of (Z)- and (E)-5, 10-Secocholest-1 (10)-ENE-3β,5α−Diol 3-acetate1

Autor: Vladimir B. Pavlović, Mihailo Lj. Mihailović, Natalija Kruščić, Ljubinka Lorenc

Publikováno v: Bulletin des Sociétés Chimiques Belges. 97:1095-1100

The lead tetraacetate oxidation of (Z)-5, 10-secocholest-1(10)-ene-3β,5α−diol 3-acetate (1) gave products arising from: (i) conversion of the 5α−hydroxy group to the ketone function (2), (ii) intramolecular cyclization (to the 2α,5α−tetrah

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2674baf06a8b818d25d9e5640dd0a81
https://doi.org/10.1002/bscb.19880971135

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Amino Acid Mediated Borane Reduction of Ketones

Autor: Aleksandar V. Teodorovic, Biljana M. Mojsilovic, Mihailo Lj. Mihailović, Milan D. Joksović, S. Konstantinovic

Publikováno v: Monatshefte fuer Chemie/Chemical Monthly. 131:0091-0095

Acetophenone, 2,2-dimethylcyclopentanone, 3,3-dimethyl-2-butanone, 3-methyl-2-butanone, and 2-pentanone were reduced with borane mediated by (S)-alanine, (S)-methionine, (S)-leucine, (S)-valine, and (S)-isoleucine in very good yields giving predomina

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4ed01534720e831069ef1248fed5e86
https://doi.org/10.1007/s007060050010

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Use of a Sacrificial Aluminum Anode in the Acylation of Some Olefins

Autor: Rastko D. Vukićević, Stanimir Konstantinovic, Zoran Marković, Mihailo Lj. Mihailović, Ljubinka Joksović

Publikováno v: Scopus-Elsevier

The acylation of some alicyclic and aliphatic alkenes by the electrochemical generation of a catalyst using a sacrificial aluminum anode was investigated. Substrates were electrolyzed in a dichloromethane solution of an appropriate electrolyte (tetra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4abc5eb0c28363d23e21d996741472a
https://doi.org/10.1246/bcsj.71.899

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Structure-reactivity relationship in 19-methyl-and 19-nor-5,10-secosteroids. Part 4. Intramolecular nitrone 1,3-dipolar cycloadditions

Autor: Mihailo Lj. Mihailović, Aleksandar Z̆. Milovanović, Bernard Tinant, Jean-Paul Declercq, Lj. Lorenc, Vladimir D. Pavlović, M. Rajkovic

Publikováno v: Tetrahedron. 52:11995-12008

The (Z)-19-nor-5,10-secosteroidal ketone 11 reacts with hydroxylamine hydrochloride to give the (E)- and (Z)-oximes 12 and 13, while with N-methylhydroxylamine hydrochloride it undergoes transannular nitrone 1,3-dipolar cycloaddition to give isoxazol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd9b930c1f80b39d4be58eb16cba1e5d
https://doi.org/10.1016/0040-4020(96)00694-1

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Synthesis, Structure, and Reactivity of Secosteroids Containing a Medium-Sized Ring. Part 36. Transannular photocyclization of some unsaturated 5,10-secosteroidal ketones: A reevaluation

Autor: Hermann Fuhrer, L. Lorenc, Mihailo Lj. Mihailović, Roland Heckendorn, Jaroslav Kalvoda, Vladimir D. Pavlović

Publikováno v: Helvetica Chimica Acta. 78:1291-1297

The structures 9 and 8 are proposed for the single isolated irradiation product of 5-oxo-5,10-secocholest-1(10)-en-3α-yl acetate (6) [2] and for the minor product of irradiation of 5-oxo-5,10-secocholest-1(10)-en-3β-yl acetate (1) [3], respectively

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6da5196207615f140db33e943d475295
https://doi.org/10.1002/hlca.19950780519

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Synthesis, Structure, and Reactivity of Secosteroids Containing a Medium-Size Ring. Part 35. Photooxidations of some (Z)- and (E)-1(10)-unsaturated 5,10-secosteroids in acetone solution

Autor: Ljubinka Lorenc, Natalija M. Krstić, Vladimir D. Pavlović, Mihailo Lj. Mihailović

Publikováno v: Helvetica Chimica Acta. 76:2254-2262

UV Irradiation of (Z)- and (E)-1(10)-unsaturated 5,10-secosteroids 1–4 in acetone solution effected, besides (Z/E)-isomerization, (i) a stereospecific epoxidation (only in the presence of O2), which, depending on the configuration ((Z) or (E)) in t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dfc6cff84619124459014639f19df927
https://doi.org/10.1002/hlca.19930760610

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