Search Results - "Stanovnik, B."

Synthesis of Heterocycles from Alkyl 3-(Dimethylamino)propenoates and Related Enaminones by Stanovnik, Branko, Svete, Jurij

“…For more than a century, 1,3-dicarbonyl compounds and their derivatives have been some of the most versatile and frequently employed C3 synthons in organic,…”
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Synthesis of 3-(4-Oxo-4H-quinolizinyl-3) and 3-(4-Oxo-4H-pyridino[1,2-a]pyrimidinyl-3) substituted lactic acid derivatives by Škof, Marko, Svete, Jurij, Stanovnik, Branko

“…A one‐step ‘ring switching’ transformation of (S)‐3‐[(dimethylamino)methylidene]‐5‐(methoxycarbonyl)tetrahydrofuran‐2‐one (4) with 2‐pyridineacetic acid…”
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Reactions of alkyl (z)-2-[(E)-2-ethoxycarbonyl-2-(2-pyridinyl)-ethenyl]amino-3-dimethylaminopropenoates with C- and N-nucleophiles. the synthesis of fused pyranones, pyridinones and pyrimidinones by Jukić, Lucija, Svete, Jurij, Stanovnik, Branko

“…Alkyl 2‐[2‐ethoxycarbonyl‐2‐(2‐pyridinyl)ethenyl]amino‐3‐dimethylaminopropenoates 3 and 4 were transformed with C‐and N‐nucleophiles into…”
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Catalytic hydrogenation of 3-benzyloxycarbonylaminoazino[1,2-x]-azin-4-ones. A facile access to 3-amino-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyridin-4-ones and 3-Amino-6,7,8,9-tetrahydro-4H-azino[1,2-x]pyrimidin-4-ones by Rečnik, Simon, Toplak, Renata, Svete, Jurij, Pizzioli, Lucija, Stanovnik, Branko

“…By catalytic hydrogenation of 3‐(benzyloxycarbonyl)amino‐4H‐pyrido[1,2‐a]pyridin‐4‐ones 28 and 29, and azino[1,2‐x]pyrimidin‐4‐ones 32–35, 41, and 42, partial…”
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A SIMPLE STEREOSELECTIVE ONE POT CONVERSION OF COMPOUNDS WITH A DIMETHYLAMINOMETHYLENE GROUP INTO ENOL ESTERS by Selič, Lovro, Jukić, Lucija, Soršak, Gorazd, Grdadolnik, Simona Golič, Stanovnik, Branko

“…A simple stereoselective synthesis of 2Z and 2Z,1′E alkyl 3-acyloxy-2-(2,2-disubstituted ethenyl) aminopropenoates 4 from alkyl 2-(2,2-disubstituted…”
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Reaction of methyl (2 E)-3-dimethylamino-2-(1 H-indol-3-yl)-propenoate with ureas: facile entry into the polycyclic meridianin analogues with uracil structural unit by Časar, Zdenko, Bevk, David, Svete, Jurij, Stanovnik, Branko

“…Methyl (2 E)-3-dimethylamino-2-(1 H-indol-3-yl)-propenoate was prepared simply and efficiently in two steps from 3-indoleacetic acid employing N,…”
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2-Substituted 3-dimethylamino- and -3-cyanopropenoates in the synthesis of heterocyclic systems by Stanovnik, Branko

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Application of alkyl 3-dimethylamino-2-(1 H-indol-3-yl)propenoates in the synthesis of 3-heteroarylindoles by Jakše, Renata, Svete, Jurij, Stanovnik, Branko, Golobič, Amalija

“…Methyl and ethyl 3-dimethylamino-2-(indol-3-yl)propenoate were prepared from alkyl 3-indoleacetates and tert-butoxy-bis(dimethylamino)methane. Upon treatment…”
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Dimethylamine substitution in N , N -dimethyl enamines. Synthesis of aplysinopsin analogues and 3-aminotetrahydrocoumarin derivatives by Selič, Lovro, Stanovnik, Branko

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Stereocontrol in cycloadditions of (1 Z,4 R,5 R)-1-arylmethylidene-4-benzoylamino-5-phenylpyrazolidin-3-on-1-azomethine imines by Pezdirc, Lidija, Jovanovski, Vasko, Bevk, David, Jakše, Renata, Pirc, Samo, Meden, Anton, Stanovnik, Branko, Svete, Jurij

“…Cycloadditions of (1 Z,4 R*,5 R*)-4-benzoylamino-5-phenylpyrazolidin-3-on-1-azomethine imines to olefinic dipolarophiles were studied. Stereochemistry of…”
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Enaminone-Based Synthesis of Dipodazine Derivatives by Wagger, Jernej, Bevk, David, Meden, Anton, Svete, Jurij, Stanovnik, Branko

“…A series of racemic dipodazine analogues 9 were prepared in 22–80% yield from…”
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Addition of 6-azidotetrazolo[1,5-b] pyridazine to acrylates by Stanovnik, B.

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Transformation of Amino Acids into Nonracemic 1-(Heteroaryl)ethanamines by the Enamino Ketone Methodology by Pirc, Samo, Bevk, David, Golobič, Amalija, Stanovnik, Branko, Svete, Jurij

“…N‐Protected L‐phenylalanines 1a,b were transformed, via the corresponding Weinreb amides 2 and ethynyl ketones 3, into chiral enamino ketones 4 (Scheme 1)…”
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Cyclocondensations of (+)-camphor derived enaminones with hydrazine derivatives by Grošelj, Uroš, Bevk, David, Jakše, Renata, Rečnik, Simon, Meden, Anton, Stanovnik, Branko, Svete, Jurij

“…Reactions of 3-[( E)-(dimethylamino)methylidene]-(+)-camphor and (1 R,5 S)-4-[( E)-(dimethylamino)methylidene]-1,8,8-trimethyl-2-oxabicyclo[3.2.1]octan-3-one…”
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A simple synthesis of aplysinopsin analogues by dimethylamine substitution in N,N-(dimethylamino)methylidene derivatives of five-membered heterocycles by Jakše, Renata, Rečnik, Simon, Svete, Jurij, Golobič, Amalija, Golič, Ljubo, Stanovnik, Branko

“…Some new aplysinopsin analogues were prepared by a simple coupling of N,N-(dimethylamino)methylidene substituted hydantoin, thiohydantoin, and thiazolone…”
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Unexpected Behavior of the Reaction between 1,2-Diaza-1,3-Butadienes and 3-Dimethylaminopropenoates:  A Useful Entry to New Pyrrolines, Pyrroles, and Oxazolines by Attanasi, Orazio A, Favi, Gianfranco, Filippone, Paolino, Golobič, Amalija, Stanovnik, Branko, Svete, Jurij

“…We observed a nucleophilic attack by the ene-amino carbon of 3-dimethylaminopropenoates at the terminal carbon of the azo-ene system of…”
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The synthesis and transformations of substituted 2-hydroxy-3-dimethylaminopropenoates. The preparation of condensed 3-hydroxypyran-2-ones by Smodiš, Janez, Stanovnik, Branko

“…A convenient synthesis of substituted 2-hydroxy-3-dimethylaminopropenoates is reported. They react with cyclic 1,3-diketones, with aromatic and heteroaromatic…”
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Preparation of azolopyridazinecarboxylic acids by Heinisch, G., Lötsch, G., Offenberger, S., Stanovnik, B., Tisler, M.

“…Oxidation reactions of various methyl substituted azolopyridazines 2a‐d, 3a‐h, 4a,b were investigated in order to gain access to the title compounds. This…”
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Stereoselective synthesis of (1 R,3 R,4 R)-3-(1,2,4-triazolo[4,3- x]azin-3-yl)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ones by Grošelj, Uroš, Rečnik, Simon, Svete, Jurij, Meden, Anton, Stanovnik, Branko

“…(1 R,3 R,4 R)-3-(1,2,4-Triazolo[4,3- x]azin-3-yl)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ones were prepared in 68–94% d.e. in three steps from (1 R)-(+)-camphor…”
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Synthesis and antimycobacterial activity of alkyl 1-heteroaryl-1H-1,2,3-triazole-4-carboxylates by Japelj, Boštjan, Rečnik, Simon, Čebašek, Petra, Stanovnik, Branko, Svete, Jurij

“…A series of alkyl l‐heteroaryl‐1H‐1,2,3‐triazole‐4‐carboxylates 6a‐u were synthesised in four steps from methyl…”
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