Search Results - "Noole, Artur"

Enantioselective Henry Reaction Catalyzed by CuII Salt and Bipiperidine by Noole, Artur, Lippur, Kristin, Metsala, Andrus, Lopp, Margus, Kanger, Tõnis

“…A complex derived from the enantiomeric bipiperidine and copper(II) acetate hydrate is an efficient catalyst for the enantioselective Henry reaction. The easy…”
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Enantioselective Organocatalytic Aza-Ene-Type Domino Reaction Leading to 1,4-Dihydropyridines by Noole, Artur, Borissova, Maria, Lopp, Margus, Kanger, Tõnis

“…A new general methodology was developed to access highly enantiomerically enriched 1,4-dihydropyridines (DHPs) 3 via an organocatalytic asymmetric aza-ene-type…”
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Organocatalytic Asymmetric Synthesis of 3‑Chlorooxindoles Bearing Adjacent Quaternary–Tertiary Centers by Noole, Artur, Järving, Ivar, Werner, Franz, Lopp, Margus, Malkov, Andrei, Kanger, Tõnis

“…A new methodology was developed for the synthesis of enantiomerically enriched 3,3-disubstituted 3-chlorooxindoles 3 via a Michael addition of 3-chloroxindoles…”
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Asymmetric Synthesis of Congested Spiro-cyclopentaneoxindoles via an Organocatalytic Cascade Reaction by Noole, Artur, Ilmarinen, Kaja, Järving, Ivar, Lopp, Margus, Kanger, Tõnis

“…Starting from simple alkylidene oxindoles and nitroketones, a highly stereoselective methodology was developed for the synthesis of spiro-cyclopentaneoxindoles…”
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3-Chlorooxindoles: Versatile Starting Materials for Asymmetric Organocatalytic Synthesis of Spirooxindoles by Noole, Artur, Ošeka, Maksim, Pehk, Tõnis, Öeren, Mario, Järving, Ivar, Elsegood, Mark R. J., Malkov, Andrei V., Lopp, Margus, Kanger, Tõnis

“…3‐Chlorooxoindoles have emerged as versatile precursors in the synthesis of spirocyclopropyl oxindoles. High enantio‐ and diastereoselectivity was attained…”
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Highly Enantio- and Diastereoselective Generation of Two Quaternary Centers in Spirocyclopropanation of Oxindole Derivatives by Noole, Artur, Sucman, Natalia S., Kabeshov, Mikhail A., Kanger, Tõnis, Macaev, Fliur Z., Malkov, Andrei V.

“…Spirocyclopropanes: Only one out of eight possible stereoisomers was obtained in the asymmetric cascade cyclopropanation of alkylidene oxindoles with ethyl…”
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Enantioselective Henry reaction catalyzed by Cu(II) salt and bipiperidine by Noole, Artur, Lippur, Kristin, Metsala, Andrus, Lopp, Margus, Kanger, Tõnis

“…A complex derived from the enantiomeric bipiperidine and copper(II) acetate hydrate is an efficient catalyst for the enantioselective Henry reaction. The easy…”
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Organocatalytic Conjugate Addition of Cyclopropylacetaldehyde Derivatives to Nitro Olefins: en Route to [beta]- and [gamma]-Amino Acids by Kaasik, Mikk, Noole, Artur, Reitel, Kärt, Jarving, Ivar, Kanger, Tõnis

“…Cyclopropane-containing amino acids are important pharmaceuticals and biologically active compounds. A new organocatalytic asymmetric Michael reaction has been…”
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Asymmetric Diastereoselective Synthesis of Spirocyclopropane Derivatives of Oxindole by Ošeka, Maksim, Noole, Artur, Žari, Sergei, Öeren, Mario, Järving, Ivar, Lopp, Margus, Kanger, Tõnis

“…A new asymmetric organocatalytic synthesis of spirocyclopropane oxindoles has been developed. The method is based on the Michael addition of N‐Boc‐protected…”
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Organocatalytic Conjugate Addition of Cyclopropylacetaldehyde Derivatives to Nitro Olefins: en Route to β- and γ-Amino Acids by Kaasik, Mikk, Noole, Artur, Reitel, Kärt, Järving, Ivar, Kanger, Tõnis

“…Cyclopropane‐containing amino acids are important pharmaceuticals and biologically active compounds. A new organocatalytic asymmetric Michael reaction has been…”
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Indole-like Trk receptor antagonists by Tammiku-Taul, Jaana, Park, Rahel, Jaanson, Kaur, Luberg, Kristi, Dobchev, Dimitar A., Kananovich, Dzmitry, Noole, Artur, Mandel, Merle, Kaasik, Allen, Lopp, Margus, Timmusk, Tõnis, Karelson, Mati

“…The virtual screening for new scaffolds for TrkA receptor antagonists resulted in potential low molecular weight drug candidates for the treatment of…”
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Organocatalytic asymmetric synthesis of trisubstituted pyrrolidines via a cascade reaction by Noole, Artur, Pehk, Tõnis, Järving, Ivar, Lopp, Margus, Kanger, Tõnis

“…A new bifunctional thiourea II catalyzed methodology was developed for the synthesis of chiral trisubstituted pyrrolidines using 4-aminocrotonate 1a/1b and…”
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Enantioselective Henry Reaction Catalyzed by Cu II Salt and Bipiperidine by Noole, Artur, Lippur, Kristin, Metsala, Andrus, Lopp, Margus, Kanger, Tõnis

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