Search Results - "Artok, Levent"

Iron-Promoted 1,5-Substitution Reaction of Endocyclic Enyne Oxiranes with MeMgBr: A Stereoselective Method for the Synthesis of Exocyclic 2,4,5-Trienol Derivatives by Kuş, Melih, Omur, Cenk, Karaca, Sıla, Artok, Levent

“…The iron-promoted 1,5-substitution reaction of endocyclic oxiranes with MeMgBr yields exocyclic 2,4,5-trienols with high diastereomeric ratios of up to 100:0…”
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Preparation and characterization of activated carbons by one-step steam pyrolysis/activation from apricot stones by Şentorun-Shalaby, Çigˇdem, Uçak-Astarlıogˇlu, Mine G., Artok, Levent, Sarıcı, Çigdem

“…The activated carbons were prepared from Malatya (a city located in the south-east of Turkey) apricot stones by one-step steam pyrolysis/activation process and…”
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Pd-loaded NaY zeolite as a highly active catalyst for ligandless Suzuki–Miyaura reactions of aryl halides at low Pd loadings under aerobic conditions by Durgun, Gülay, Aksın, Özge, Artok, Levent

“…Palladium-loaded NaY zeolite was found to be a highly active catalyst precursor for Suzuki–Miyaura (SM) reactions of aryl bromides and aryl chlorides at low Pd…”
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Palladium-Catalyzed Alkoxycarbonylation of (Z)-2-En-4-yn Carbonates Leading to 2,3,5-Trienoates by Akpınar, G. Eray, Kuş, Melih, Üçüncü, Muhammed, Karakuş, Erman, Artok, Levent

“…Pd(0)-catalyzed carbonylation of (Z)-2-en-4-yn carbonates in the presence of a balloon pressure of CO in an alcohol donates vinylallenyl esters with an…”
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Effect of immobilization on catalytic characteristics of saturated Pd-N-heterocyclic carbenes in Mizoroki–Heck reactions by Aksın, Özge, Türkmen, Hayati, Artok, Levent, Çetinkaya, Bekir, Ni, Chaoying, Büyükgüngör, Orhan, Özkal, Erhan

“…A highly thermally stable saturated Pd–NHC acts only as a catalyst precursor in Mizoroki Heck catalysis to highly active Pd species when it is immobilized. A…”
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Direct Liquefaction of High-Sulfur Coals:  Effects of the Catalyst, the Solvent, and the Mineral Matter by Gözmen, Belgin, Artok, Levent, Erbatur, Gaye, Erbatur, Oktay

“…Two low-rank coals with high sulfur contents (Gediz subbituminous coal:  7.6 wt % S:dry basis. Çayirhan lignite:  5.7 wt% S:dry basis.) were subjected to…”
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Palladium-catalyzed coupling of 2-en-4-yne carbonates with terminal alkynes by Taç, Doğan, Artok, Levent

“…[Display omitted] •Synthesis of vinyl-allenynes from conjugated enyne carbonates has been developed.•The enyne substrate should be in…”
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Influence of menthol on caffeine disposition and pharmacodynamics in healthy female volunteers by GELAL, Ayse, GUVEN, Hulya, BALKAN, Dilara, ARTOK, Levent, BENOWITZ, Neal L

“…The present study was undertaken to determine whether a single oral dose of menthol affects the metabolism of caffeine, a cytochrome P(450) 1A2 (CYP1A2)…”
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Palladium-catalysed reactions of conjugated enyne oxiranes with organoborons: A diastereoselective method of the synthesis of 2,4,5-trienol derivatives by Ziyanak, Fırat, Kuş, Melih, Alkan-Karadeniz, Leman, Artok, Levent

“…A palladium-catalysed reaction of conjugated enyne oxiranes with organoboron reagents is described. This method allows aryl-substituted vinylallenes containing…”
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Palladium-Catalyzed Alkoxycarbonylation of Conjugated Enyne Oxiranes: A Diastereoselective Method for the Synthesis of 7‑Hydroxy-2,3,5-trienoates by Kuş, Melih, Artok, Levent, Aygün, Muhittin

“…Palladium-catalyzed alkoxycarbonylative 1,5-substitution of conjugated enyne oxiranes provides a diastereoselective route to (E)-configured…”
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Effects of Water and Molecular Hydrogen on Heat Treatment of Turkish Low-Rank Coals by Artok, Levent, Schobert, Harold H, Nomura, Masakatsu, Erbatur, Oktay, Kidena, Koh

“…Two low-rank Turkish coals, Tunçbilek (TB) subbituminous and Göynük (GN) lignite, were subjected to low-severity heat treatment with or without added water,…”
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Correction to “Palladium-Catalyzed Alkoxycarbonylation of Conjugated Enyne Oxiranes: A Diastereoselective Method for the Synthesis of 7‑Hydroxy-2,3,5-trienoates” by Kuş, Melih, Artok, Levent, Aygün, Muhittin

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Regio- and Stereoselective Synthesis of 2,3,5-Trienoates by Palladium-Catalyzed Alkoxycarbonylation of Conjugated Enyne Carbonates by Karagöz, Ezgi Şule, Kuş, Melih, Akpınar, Gürkan Eray, Artok, Levent

“…Palladium-catalyzed carbonylation of 2,4-enyne carbonates in an alcohol and under balloon pressure of CO proceeds through 1,5-substitution to yield…”
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Suzuki cross-coupling reaction of aryl halides with arylboronic acids catalysed by Pd(II)-NaY zeolite by Bulut, Hatice, Artok, Levent, Yilmazu, Selahattin

“…Pd(II)-exchanged NaY zeolite showed high activity in the Suzuki cross-coupling reactions of aryl bromides and iodides without added ligands. The DMF:water…”
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Rhodium-Catalysed Alkoxycarbonylative Cyclisation Reactions of 1,6-Enynes by Ziyanak, Fırat, Kuş, Melih, Artok, Levent

“…The rhodium‐catalysed carbonylation of 1,6‐enynes possessing an electron‐deficient alkenyl moiety in an alcohol reagent in the presence of a rhodium complex…”
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Iron‐Promoted 1,5‐Substitution (SN2′′) Reactions of Enyne Acetates and Oxiranes with Grignard Reagents by Taç, Doğan, Aytaç, İsmet Arınç, Karatavuk, Ali Osman, Kuş, Melih, Ziyanak, Fırat, Artok, Levent

“…Acetate derivatives of 2‐en‐4‐yne alcohols 1 and enyne oxiranes 4 regioselectively underwent 1,5‐substitution (SN2′′) reactions with Grignard reagents in the…”
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Rhodium catalyzed reaction of internal alkynes with organoborons under CO atmosphere: a product tunable reaction by Artok, Levent, Kuş, Melih, Aksın-Artok, Özge, Dege, Fatma Nurcan, Özkılınç, Fatma Yelda

“…Alkynes react with organoborons under a CO atmosphere in the presence of a rhodium(I) catalyst to afford mainly 5-aryl-2(5 H)-furanones, α,β-unsaturated…”
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Heterogeneous Suzuki reactions catalyzed by Pd(0)–Y zeolite by Artok, Levent, Bulut, Hatice

“…The Pd(0)–Y zeolite showed high activity in the Suzuki cross-coupling reactions of aryl bromides without added ligands. The type of base and organic solvent…”
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Cover Feature: Iron‐Promoted 1,5‐Substitution (SN2′′) Reactions of Enyne Acetates and Oxiranes with Grignard Reagents (Asian J. Org. Chem. 10/2017) by Taç, Doğan, Aytaç, İsmet Arınç, Karatavuk, Ali Osman, Kuş, Melih, Ziyanak, Fırat, Artok, Levent

“…Iron Age: Iron‐promoted reactions of enyne oxiranes or acetate derivatives of 2‐en‐4‐yne alcohols with Grignard reagents produce (E)‐configured vinylallenes…”
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The kinetics of citral hydrogenation over Pd supported on clinoptilolite rich natural zeolite by Yilmaz, Selahattin, Ucar, Sule, Artok, Levent, Gulec, Hilal

“…The liquid phase hydrogenation of citral has been investigated over Pd (2.42%) supported on clinoptilolite rich natural zeolite catalyst for different reaction…”
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