Browsing by Author "Durap, Feyyaz"
Now showing items 1-20 of 76
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Amine-functionalized graphene nanosheet-supported PdAuNi alloy nanoparticles: efficient nanocatalyst for formic acid dehydrogenation
Bulut, Ahmet; Yurderi, Mehmet; Kaya, Murat; Aydemir, Murat; Baysal, Akin; Durap, Feyyaz; Zahmakiran, Mehmet (Royal Soc Chemistry, 2018)Formic acid (HCOOH), a major by-product of biomass processing with high energy density, stability and non-toxicity, has a great potential as a safe and a convenient liquid hydrogen (H-2) storage material for combustion ... -
Aminofosfin (AMP) türü ligandların sentezi, karakterizasyonu ve bazı geçiş metal komplekslerinin hazırlanması
Durap, Feyyaz (2017)Fosfor ile azot arasında doğrudan bağ bulunan bileşikler son birkaç on yıldan beri bilinmektedir. P-N bağları içeren bileşikler kimyasına katkıda bulunmak üzere bu çalışmada; anilin türevleri (2,3-dimetilanilin, ... -
Application of N,N-bis(diphenylphosphino) aniline palladium(II) complexes as pre-catalysts in Heck coupling reactions
Gümgüm, Bahattin; Biricik, Nermin; Durap, Feyyaz; Özdemir, İsmail; Guerbuez, Nevin; Ang, Wee Han; Dyson, Paul J. (Wiley, 2007)Palladium(II) complexes with N,N-bis(diphenylphosphino)aniline ligands catalyse the Heck reaction between styrene and aryl bromides, affording stilbenes in good yield. The structures of two of the complexes used as ... -
The application of tunable tridendate P-based ligands for the Ru(II)-catalysed transfer hydrogenation of various ketones
Meriç, Nermin; Durap, Feyyaz; Aydemir, Murat; Baysal, Akın (Wiley, 2014)Two novel versatile tridendate aminophosphine-phosphinite and phosphinite ligands were prepared and their trinuclear neutral ruthenium(II) dichloro complexes were found to be effective catalysts for the transfer hydrogenation ... -
Asymmetric transfer hydrogenation of alkyl/aryl or alkyl/methyl ketones catalyzed by known C2-symmetric ferrocenyl-based chiral bis(phosphinite)-Ru(II), Rh(I) and Ir(III) complexes
Durap, Feyyaz; Karakas, Duygu Elma; Ak, Bunyamin; Baysal, Akin; Aydemir, Murat (Elsevier Science Sa, 2016)Known Ru(II), Rh(I) and Ir(III) complexes of C-2-symmetric ferrocenyl based chiral bis(phoshinite) ligands were catalyzed the asymmetric transfer hydrogenation of alkyl/aryl or alkyl methyl ketones. Corresponding secondary ... -
Asymmetric transfer hydrogenation of aromatic ketones with the ruthenium(II) catalyst derived from C2 symmetric N,N?-bis[(1S)-1-benzyl-2-O-(diphenylphosphinite)ethyl]ethanediamide
Aydemir, Murat; Meric, Nermin; Durap, Feyyaz; Baysal, Akin; Togrul, Mahmut (Elsevier Science Sa, 2010)Asymmetric transfer hydrogenation of ketones with chiral molecular catalysts is realized to be one of the most magnificent tools to access chiral alcohols in organic synthesis. A new chiral phosphinite compound ... -
BD-g-C3N4 destekli Pd(0) (Pd@BD-g-C3N4) nanoparçaciklarin hazirlanmasi ve suzuki-miyaura C-C eşleşme reaksiyonlarindaki fotokatalitik etkinliklerinin incelenmesi
Uğur, Nafiye (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2023)Paladyum katalizörleri kullanılarak yapılan C-C çapraz eşleşme reaksiyonları, aromatik halka, alkin ve alken gibi çeşitli fonksiyonel grupların doymamış bileşiklere katılma reaksiyonunda çok fazla tercih edilmektedir. Bu ... -
Benzylation of benzene and toluene with benzylchloride over clay-based acid catalysts
Durap, Feyyaz; Akcay, Mehmet; Yurdakoc, Kadir (Mrs Pushpa Agarwal, 2006)The pillared clay catalysts were calcined after in corporation of metal polycation ions with exchangeable cations and water. Friedel-Crafts alkylations of aromatic hydrocarbons were carried out in the presence of clay ... -
Bimetallic PdxNi1-x and PdxCo1-x nanoparticles supported on K-OMS-2: Highly active, environmentally friendly and reusable nanocatalysts for the Suzuki–Miyaura cross-coupling reactions in water
Durap, Feyyaz; Gülen, Yasemin; Abay, Ayşe; Bulut, Ahmet; Yurderi, Mehmet; Aydemir, Murat; Baysal, Akın (Wiley, 2021)Addressed herein is the catalysis of bimetallic PdxNi1-x and PdxCo1-x nanoparticles (NPs) supported on a cryptomelane-type manganese oxide (K-OMS-2) solid for the Suzuki-Miyaura cross-couplings of phenylboronic acid with ... -
Bis(phosphinite) with C2-Symmetric Axis; Effects on the Ruthenium(II)-Catalyzed Asymmetric Transfer Hydrogenation of Acetophenone Derivatives
Aydemir, Murat; Durap, Feyyaz; Kayan, Cezmi; Baysal, Akin; Turgut, Yilmaz (Georg Thieme Verlag Kg, 2012)Chiral ruthenium catalyst systems generated in situ from [Ru(eta(6)-p-cymene)(mu-Cl)Cl](2) complex and chiral C-2-symmetric bis(phosphinite) ligands based on amino alcohol derivatives were employed in the asymmetric transfer ... -
Boron containing chiral Schiff bases: Synthesis and catalytic activity in asymmetric transfer hydrogenation (ATH) of ketones
Pasa, Salih; Arslan, Nevin; Meric, Nermin; Kayan, Cezmi; Bingul, Murat; Durap, Feyyaz; Aydemir, Murat (Elsevier, 2020)Asymmetric Transfer Hydrogenation (ATH) has been an attractive way for the reduction of ketones to chiral alcohols. A great number of novel and valuable synthetic pathways have been achived by the combination usage of ... -
Catechol-type ligand containing new modular design dioxaborinane compounds: Use in the transfer hydrogenation of various ketones
Kilic, Ahmet; Kaya, Ibrahim Halil; Ozaslan, Ismail; Aydemir, Murat; Durap, Feyyaz (Elsevier Science Bv, 2018)A novel class of tricoordinate dioxaborinane compounds, which have the general formula [B-1(L1-5)] and [B-2(L1-5)], were designed and synthesized by the corresponding catechol-type ligands (L-1-L-5) at ambient temperature. ... -
The chiral boronate-catalyzed asymmetric transfer hydrogenation of various aromatic ketones to high-value alcohols: Preparation and spectroscopic studies
Kilic, Ahmet; Durgun, Mustafa; Durap, Feyyaz; Aydemir, Murat (Elsevier Science Sa, 2019)This work deals with the synthesis, spectroscopic studies and catalytic evaluation of the novel chiral salen (L1H2) and (L2H2) ligands and their chiral boronate [L-1(B1-4)] and [L-2(B1-4)] complexes. Initially, the reaction ... -
Chiral C2-symmetric ?6-p-cymene-Ru(II)-phosphinite complexes: Synthesis and catalytic activity in asymmetric reduction of aromatic, methyl alkyl and alkyl/aryl ketones
Karakas, Duygu Elma; Aydemir, Murat; Durap, Feyyaz; Baysal, Akin (Elsevier Science Sa, 2018)Chiral C-2-symmetric bis(phosphinite) ligands and their binuclear ruthenium(II) complexes have been synthesized and used as catalysts in the ruthenium-catalyzed asymmetric transfer hydrogenation of aromatic, methyl alkyl ... -
Chiral phosphinites as efficient ligands for enantioselective Ru(II), Rh(I) and Ir(III)-catalyzed transfer hydrogenation reactions
Baysal, Akin; Karakas, Duygu Elma; Meric, Nermin; Ak, Bunyamin; Aydemir, Murat; Durap, Feyyaz (Springer, 2017)Metal-catalyzed enantioselective transfer reduction of ketones to enantiomerically enriched chiral alcohols has recently attracted attention. Therefore, a series of methyl alkyl or alkyl/aryl ketones have been reduced by ... -
Cross-coupling reactions in water using ionic liquid-based palladium(II)-phosphinite complexes as outstanding catalysts
Meriç, Nermin; Aydemir, Murat; Işık, Uğur; Ocak, Yusuf Selim; Rafikova, Khadichakhan; Paşa, Salih; Kayan, Cezmi; Durap, Feyyaz; Temel, Hamdi; Zazybin, Alexey G. (Wiley, 2014)Two new phosphinite ligands based on ionic liquids [(Ph2PO)C7H14N2Cl]Cl (1) and [(Cy2PO)C7H14N2Cl]Cl (2) were synthesized by reaction of 1-(3-chloro-2-hydoxypropyl)-3-methylimidazolium chloride, [C7H15N2OCl]Cl, with one ... -
Dihydrogen Phosphate Stabilized Ruthenium(0) Nanoparticles: Efficient Nanocatalyst for The Hydrolysis of Ammonia-Borane at Room Temperature
Durap, Feyyaz; Caliskan, Salim; Ozkar, Saim; Karakas, Kadir; Zahmakiran, Mehmet (Mdpi Ag, 2015)Intensive efforts have been devoted to the development of new materials for safe and efficient hydrogen storage. Among them, ammonia-borane appears to be a promising candidate due to its high gravimetric hydrogen storage ... -
Effect of initial configuration on DFT calculations for transition metal complexes
Binbay, Nil E.; Binbay, Veysel; Aydemir, Murat; Durap, Feyyaz; Meriç, Nermin; Kayan, Cezmi; Arslan, Nevin (Osman SAĞDIÇ, 2019)Computational methods, which solves the Schrödinger’s equation for molecules, have become an indispensable tool in last decades.And Density Functional Theory is one of the most used, and most effective computational ... -
Farklı destek maddeleri yüzeyine dekore edilmiş metal nanokümelerin fotokatalitik performanslarının Cr(VI) iyonun indirgenme ve metilen mavisinin bozunma reaksiyonlarında incelenmesi
Önal, Halil İbrahim (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2022)Bu çalışmada titanyum oksit karbon nitrür ve benzen katkılı karbon nitrür destek malzemeleri literatüre uygun olarak sentezlendi. Gümüş (Ag), altın (Au) ve paladyum (Pd) monometalik nanokümeler, klasik emdirme-indirgenme ... -
Ferrocene based chiral binuclear η6-benzene-Ru(II)-phosphinite complexes: Synthesis, characterization and catalytic activity in asymmetric reduction of ketones
Al-bayati, Yaser W. Abdlhmed; Karakaş, Duygu Elma; Meriç, Nermin; Aydemir, Murat; Durap, Feyyaz; Baysal, Akın (Wiley, 2018)In the present study, a series of chiral C-2-symmetric ferrocenyl based binuclear (6)-benzene-Ru(II) complexes bearing diphenylphosphinite and diisopropylphosphinite moieties have been synthesised. The new binuclear ...
