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Dive into the research topics where Milentije Stefanović is active.

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Featured researches published by Milentije Stefanović.


Tetrahedron | 1966

Configuration and reactivity of ten-membered 5,10-seco-compounds obtained by fragmentation of 5-hydroxy-steroids

M.Lj. Mihailović; Lj. Lorenc; Miroslav J. Gašić; M.M. Rogić; A. Melera; Milentije Stefanović

Abstract Assignment of configuration to the 1,10-double bond in the cis-trans isomeric 3β-acetoxy-5,10-seco-1,10-cholesten-5-ones has been achieved by means of NMR spectrometry. Some reactions of these new compounds have been studied and, as expected from conformational analysis, it was found that only the trans-isomer readily undergoes transannular cyclizations.


Tetrahedron | 1964

Opening of steroid ring a by means of lead tetraacetate

Milentije Stefanović; Miroslav J. Gašić; Lj. Lorenc; M.Lj. Mihailović

Abstract The lead tetraacetate oxidation of cholestan-1β-ol and cholestan-1α-ol in benzene solution did not afford cyclic ethers but resulted, in major part, in the opening of ring A with formation of 1,10-seco-aldehydes. In addition, cholestane, cholest-1-ene and cholestan-1-one were also obtained.


EMC Review - Časopis za ekonomiju - APEIRON | 2016

KONCEPT EKOLOŠKIH TEHNOLOGIJA PLASTIČNOG OBLIKOVANJA METALA U RAZVOJU SAVREMENIH PROIZVODNIH SISTEMA

Tomislav Vujinović; Milentije Stefanović; Dragan Adamovic

Tehnologije plasticnog ablikovanja (TPO),u savremenoj industrijskoj proizvodnji dominira u odnosu na ostale tehnologije, prije svega u industrijski razvijenim zemljama.U cilju zastite kako ogranicenih resursa tako i zastiti covjekove okoline, neminovno je usaglasavanje ove tehnologije sa savremenim zahtjevima uvođenja tzv. “cistih“proizvodnih postupaka i tehnologija. U ovom radu dat je savremeni pristup modeliranja sistema TPO sa posebnim osvrtom na tehnologije oblikovanja na zavrsnu formu (Net shape forming, NSF)koje omogucavaju ustedu u materijalu i ekoliski su prihvatljive.Osim ekoloskih aspekata u oblasti TPO, ukazano je na znacaj izbora sredstava za podmazivanje kako sa tehnoloskog tako i sa ekoloskog stanovista. Takođe se, pored navedenih pregleda izucavanja u ovoj oblasti, navode i rezultati sopstvenih istraživanja, sa preporukama za koriscenje ekoloskih komponenti obradnih procesa, u razlicitim postupcima TPO - pri hladnom kovanju, preradi limova i sl.


Strojniški vestnik | 2009

Variation of Normal Anisotropy Ratio r during Plastic Forming

Srbislav Aleksandrović; Milentije Stefanović; Dragan Adamovic; Vukić Lazić


Tehnicki Vjesnik-technical Gazette | 2010

AN EXPERIMENTAL MODELLING AND NUMERICAL FE ANALYSIS OF STEEL-STRIP IRONING PROCESS

Dragan Adamovic; Vesna Mandić; Zoran Jurković; Branko Grizelj; Milentije Stefanović; Tomislav Marinković; Srbislav Aleksandrović


Tetrahedron Letters | 1964

5,10-seco-steroids, a new type of steroid derivatives containing a ten-membered ring☆

M.Lj. Mihailović; Milentije Stefanović; Lj. Lorenc; Miroslav J. Gašić


Materials Engineering - Materiálové inžinierstvo (MEMI) | 2013

EXPERIMENTAL ANALYSIS OF INFLUENCE OF DIFFERENT LUBRICANTS TYPES ON THE MULTI- PHASE IRONING PROCESS

Milan Djordjević; Srbislav Aleksandrović; Vukić Lazić; Milentije Stefanović; Ruzica R. Nikolic; Dušan Arsić


Materials Engineering - Materiálové inžinierstvo (MEMI) | 2012

Computer controlled experimental device for investigations of tribological influences in sheet metal forming

Milan Djordjević; Srbislav Aleksandrović; Tomislav Vujinović; Milentije Stefanović; Vukić Lazić; Ružica R. Nikolić


10th International Scientific-Expert Conference Maintenance and Production Engineering – KODIP 2012 | 2012

Numerical and Experimental Analysis of the Wall Tensile Stress in Ironing

Dragan Adamovic; Vesna Mandić; Milentije Stefanović; Zoran Jurković; Miroslav Živković; Duško Pavletić; Mladen Perinić


Transactions of Famena | 2010

NUMERICAL FE MODELLING OF THE IRONING PROCESS OF ALUMINIUM ALLOY AND ITS EXPERIMENTAL VERIFICATION

Vesna Mandić; Dragan Adamovic; Zoran Jurković; Milentije Stefanović; Miroslav Živković; Saša Ranđelović; Tomislav Marinković

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Vukić Lazić

University of Kragujevac

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Lj. Lorenc

University of Belgrade

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Vesna Mandić

University of Kragujevac

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