Browsing by Author "Baysal, Akin"
Now showing items 1-20 of 48
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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 ... -
Aminophosphine-palladium(II) complexes: Synthsesis, structure and applications in Suzuki and Heck cross-coupling reactions
Aydemir, Murat; Baysal, Akin; Sahin, Ertan; Gumgum, Bahattin; Ozkar, Saim (Elsevier Science Sa, 2011)Reaction of furfurylamine with 1 or 2 equivalents of PPh2Cl in the presence of Et3N, proceeds under anaerobic conditions in thf to give furfuryl-2-(N-diphenylphosphino)amine, Ph2PNHCH2-C4H3O, 1 and furfuryl-2-(N,N-bis(di ... -
Applications of transition metal complexes containing 3,3?-bis(diphenylphosphinoamine)-2,2?-bipyridine ligand to transfer hydrogenation of ketones
Aydemir, Murat; Meric, Nermin; Baysal, Akin (Elsevier Science Sa, 2012)Hydrogen transfer reduction processes are attracting increasing interest from synthetic chemists in view of their operational simplicity. 3,3'-bis(diphenylphosphinoamine)-2,2'-bipyridine, (Ph2PNH)(2)C10H6N2, was prepared ... -
Asymmetric transfer hydrogenation of acetophenone derivatives with novel chiral phosphinite based ?6-p-cymene/ruthenium(II) catalysts
Aydemir, Murat; Meric, Nermin; Baysal, Akin; Turgut, Yilmaz; Kayan, Cezmi; Seker, Sevil; Togrul, Mahmut (Elsevier Science Sa, 2011)Enantioselective reduction of prochiral ketones to optically active secondary alcohols is an important subject in synthetic organic chemistry because the resulting chiral alcohols are extremely useful, biologically active ... -
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 ... -
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 ... -
Cationic and neutral ruthenium(II) complexes containing both arene or Cp* and functionalized aminophosphines. Application to hydrogenation of aromatic ketones
Aydemir, Murat; Baysal, Akin (Elsevier Science Sa, 2010)Hydrogen transfer reduction processes are attracting increasing interest from synthetic chemists in view of their operational simplicity. For this aim, a series of novel Ru(II) complexes with the P-N-P ligands were synthesized ... -
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 ... -
Electrical and photoelectrical characterization of organic-inorganic heterostructures based on Ru-N-heterocyclic carbene complexes
Yasar, Sedat; Cekirdek, Suzan; Binbay, Nil Ertekin; Tombak, Ahmet; Ocak, Yusuf Selim; Arslan, Nevin; Baysal, Akin (Elsevier Gmbh, 2018)1,3-Bis(2-morpholinethyl)benzimidazoliumtrichlorido(eta(6)-p-cymene)-ruthenate(11), 2, was synthesized and characterized by NMR spectroscopy and micro analysis. The organic -inorganic heterojunctions were fabricated by ... -
The first application of C2-symmetric ferrocenyl phosphinite ligands for rhodium-catalyzed asymmetric transfer hydrogenation of various ketones
Ak, Bunyamin; Aydemir, Murat; Durap, Feyyaz; Meric, Nermin; Baysal, Akin (Elsevier Science Sa, 2015)Homogeneous catalysis has been responsible for many major recent developments in synthetic organic chemistry. The combined use of organometallic and coordination chemistry has produced a number of new and powerful synthetic ... -
Froth flotation pretreatment for enhancing desulfurization of coal with sodium hydroxide
Saydut, Abdurrahman; Tonbul, Yalcin; Baysal, Akin; Zahir Duz, M.; Hamamci, Candan (Natl Inst Science Communication, 2007)Froth flotation (FF) pretreatment of coal from Hazro, Turkey, for enhancing desulfurization with sodium hydroxide was investigated. FF reduced following contents of coal: ash, 58.54; pyritic sulfur, 79.34; and volatile ... -
Influence of Temperature And Light Intensity on Ru(II) Complex Based Organic-Inorganic Device
Asubay, Sezai; Durap, Feyyaz; Aydemir, Murat; Ocak, Yusuf Selim; Tombak, Ahmet; Baysal, Akin (Amer Inst Physics, 2016)An organic-inorganic junction was fabricated by forming [Ru(Cy2PNHCH2-C4H3O)(eta(6)-p-cymene)Cl-2] complex thin film using spin coating technique on n-Si and evaporating Au metal on the film. It was seen that the structure ... -
Methyl ester of peanut (Arachis hypogea L.) seed oil as a potential feedstock for biodiesel production
Kaya, Canan; Hamamci, Candan; Baysal, Akin; Akba, Osman; Erdogan, Sait; Saydut, Abdurrahman (Pergamon-Elsevier Science Ltd, 2009)The peanut (Arachis hypogea L.) seed oil was extracted from the seeds of the peanut that grows in SE Anatolia of Turkey. Oil was obtained in 50 wt/wt.%, by solvent extraction. Peanut (A. hypogea L) seed oil was investigated ... -
A modular design of ruthenium(II) catalysts with chiral C2-symmetric phosphinite ligands for effective asymmetric transfer hydrogenation of aromatic ketones
Aydemir, Murat; Meric, Nermin; Baysal, Akin; Gumgum, Bahattin; Togrul, Mahmut; Turgut, Yilmaz (Pergamon-Elsevier Science Ltd, 2010)Hydrogen-transfer reduction processes are attracting increasing interest from synthetic chemists in view of their operational simplicity. The new chiral C-2-symmetric ligands N,N'-bis-[(1S)-1-sec-butyl-2-O-(diphenylphosp ... -
New active ruthenium(II) complexes based N3,N3?-bis(diphenylphosphino)-2,2?-bipyridine-3,3?-diamine and P,P?-diphenylphosphinous acid-P,P?-[2,2?-bipyridine]-3,3?-diyl ester ligands for transfer hydrogenation of aromatic ketones by propan-2-ol
Aydemir, Murat; Baysal, Akin; Meric, Nermin; Gumgum, Bahattin (Elsevier Science Sa, 2009)The dimeric starting material [Ru(eta(6)-p-cymene)(mu-Cl)Cl](2) reacts with N3,N3'-bis(diphenylphosphino)-2,2'-bipyridine-3,3'-diamine, 1 and P,P'-diphenylphosphinous acid-P,P'-[2,2'-bipyridine]-3,3'-diyl ester, 2 ligands ... -
New C2-symmetric chiral phosphinite ligands based on amino alcohol scaffolds and their use in the ruthenium-catalysed asymmetric transfer hydrogenation of aromatic ketones
Durap, Feyyaz; Aydemir, Murat; Elma, Duygu; Baysal, Akin; Turgut, Yilmaz (Elsevier France-Editions Scientifiques Medicales Elsevier, 2013)Asymmetric transfer hydrogenation processes of ketones with chiral molecular catalysts are attracting increasing interest from synthetic chemists due to their operational simplicity. C-2-symmetric catalysts have also ... -
A new efficient bis(phosphinite)-ruthenium(II) catalyst system for the asymmetric transfer hydrogenation of aromatic ketones
Durap, Feyyaz; Aydemir, Murat; Baysal, Akin; Elma, Duygu; Ak, Bunyamin; Turgut, Yilmaz (Elsevier Science Sa, 2014)Many chiral ligands bearing phosphorus donor atoms were developed and applied in the area of metal catalyzed asymmetric catalysis. A new chiral bis(phoshinite) ligand was successfully synthesized from optically active ... -
New Pd(II) and Pt(II)-diaminophosphine complexes bearing cyclohexyl or isopropyl moiety: use of Pd(II) complexes as precatalyst in Mizoroki-Heck and Suzuki-Miyaura cross-coupling reactions
Aydemir, Murat; Durap, Feyyaz; Baysal, Akin (Tubitak Scientific & Technological Research Council Turkey, 2015)Two new diaminophosphine ligands, N,N'-bis(dicyclohexylphosphino)-2-(aminomethyl)aniline (1) and N,N'-bis(diisopropylphosphino)-2-(aminomethyl)aniline (2) were synthesized by the reaction of 2-(aminomethyl)aniline with two ...