Search Results - "Selič, Lovro"
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A short synthesis of Dronedarone
Published in Bioorganic & medicinal chemistry (07-08-2018)“…[Display omitted] A modification of the Nenitzescu reaction was used to obtain Dronedarone from quinonimine 20 and 1,3-diketone 14 (R = CH2CH2CH2NBu2) in a…”
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4-Substituted Trinems as Broad Spectrum β-Lactamase Inhibitors: Structure-Based Design, Synthesis, and Biological Activity
Published in Journal of medicinal chemistry (23-08-2007)“…A wide variety of pathogens have acquired antimicrobial resistance as an inevitable evolutionary response to the extensive use of antibacterial agents. In…”
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Permeability of a novel beta-lactamase inhibitor LK-157 and its ester prodrugs across rat jejunum in vitro
Published in Journal of pharmacy and pharmacology (01-09-2009)“…LK-157 is a novel 10-ethylidene tricyclic carbapenem that resembles the structure of the broad-spectrum antibiotic sanfetrinem and acts as a potent inactivator…”
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Regioselective 1,3-Dipolar Cycloadditions of (1Z)-1-(Arylmethylidene)-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ide Azomethine Imines to Acetylenic Dipolarophiles
Published in Helvetica chimica acta (31-01-2001)“…The 5,5‐dimethylpyrazolidin‐3‐one (4), prepared from ethyl 3‐methylbut‐2‐enoate (3) and hydrazine hydrate, was treated with various substituted benzaldehydes…”
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A Synthesis of Some Novel 2-Phenyl- and 5-Bromo-substituted Aplysinopsin Analogues
Published in Heterocycles (22-11-2002)Get full text
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A New Approach to 5H-Pyrrolo[3,2-d]pyrimidines (9-Deazapurines) from 3-Aminopyrrole-2-carboxylates
Published in Heterocycles (01-05-1999)Get full text
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Hydrolysis of N,N-Dimethylenamines. Stereospecific Synthesis of Their Enol and Enol Ester Derivatives
Published in Heterocycles (01-06-2003)Get full text
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Unusual Reactions of 5,5-Dimethyl-2-(indenyl-2)-3-pyrazolidinone with Acetylenedicarboxylates
Published in Organic letters (24-02-2000)“…Reaction of 5,5-dimethyl-3-pyrazolidinone (1) with 2-indanone (2) gave 5,5-dimethyl-2-(1H-indenyl-2)-3-pyrazolidinone (3) instead of the expected azomethine…”
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Stereoselective ring opening of dimethyl 5-aryl-2,3-dihydro-3,3 dimethyl-1-oxo-1H,5H-pyrazolo[1,2–a]pyrazole-6,7-dicarboxylates with hydrazine hydrate. Synthesis of rel-(4'R,5'S)-3-[5-aryl-3,4bis (hydrazino-carbonyl)]-4,5-dihydro-1H-pyrazol-1-yl)-3-methylbutanohydrazides
Published in ARKIVOC (05-02-2002)Get full text
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Dimethylamine substitution in N , N -dimethyl enamines. Synthesis of aplysinopsin analogues and 3-aminotetrahydrocoumarin derivatives
Published in Tetrahedron (09-04-2001)Get full text
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Permeability of a novel β-lactamase inhibitor LK-157 and its ester prodrugs across rat jejunum in vitro
Published in Journal of pharmacy and pharmacology (01-09-2009)“…Objectives LK‐157 is a novel 10‐ethylidene tricyclic carbapenem that resembles the structure of the broad‐spectrum antibiotic sanfetrinem and acts as a potent…”
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Design, synthesis and bioactivity evaluation of tribactam β lactamase inhibitors
Published in Bioorganic & medicinal chemistry letters (25-03-2002)“…Known carbapenem compounds with inhibitory effect towards beta-lactamase enzymes are formed from bicyclical beta lactam structural scaffolds. On the basis of…”
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A Simple Stereoselective Synthesis of Aplysinopsin Analogs
Published in Helvetica chimica acta (04-10-2000)“…Simple and stereoselective syntheses of aplysinopsins and their analogs from either methyl 2‐[(2,2‐disubstituted ethenyl)amino]‐3‐(dimethylamino)prop‐2‐enoates…”
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Precursor of a β-lactamase inhibitor: allyl (4S, 8S, 9R)-10-[(E)-ethylidene]-4-methoxy-11-oxo-1-azatricyclo-[7.2.0.03,8]undec- 2-ene-2-carboxylate
Published in Acta crystallographica. Section C, Crystal structure communications (01-06-2002)“…The molecular structure of the title tricyclic compound, C(17)H(21)NO(4), which is the immediate precursor of a potent synthetic inhibitor [Lek157: sodium…”
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Transformations of methyl 2‐(2,2‐disubstituted‐ethenyl)amino‐3‐dimethylaminopropenoates. The synthesis of methyl 1‐heteroaryl‐1 H ‐imidazole‐4‐carboxylates
Published in Journal of heterocyclic chemistry (01-11-1998)“…Abstract Transformations of intermediates 4 , prepared from methyl 2‐(2,2‐disubstituted‐ethenyl)amino‐3‐dimethylaminopropenoates 2 and sterically hindered…”
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Methyl 2-[bis(acetyl)ethenyl]aminopropenoate in the synthesis of heterocyclic systems
Published in Journal of heterocyclic chemistry (01-05-1997)“…Methyl 2‐[bis(acetyl)ethenyl]aminopropenoate (4) was prepared in 3 steps from acetylacetone (1) via 4‐(N,N‐dimethylamino)‐3‐acetylbut‐3‐en‐2‐one (2) and methyl…”
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Transformations of methyl 2-(2,2-disubstituted-ethenyl)amino-3-dimethylaminopropenoates. The synthesis of methyl 1-heteroaryl-1H-imidazole-4-carboxylates
Published in Journal of heterocyclic chemistry (01-11-1998)“…Transformations of intermediates 4, prepared from methyl 2‐(2,2‐disubstituted‐ethenyl)amino‐3‐dimethylaminopropenoates 2 and sterically hindered…”
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Precursor of a β-lactamase inhibitor: allyl (4S,8S,9R)-10-[(E)-ethylidene]-4-methoxy-11-oxo-1-azatricyclo[7.2.0.03,8]undec-2-ene-2-carboxylate
Published in Acta crystallographica. Section C, Crystal structure communications (01-06-2002)“…The molecular structure of the title tricyclic compound, C17H21NO4, which is the immediate precursor of a potent synthetic inhibitor {Lek157: sodium…”
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