Browsing by Author "Meric, Nermin"
Now showing items 1-20 of 27
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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 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 ... -
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 ... -
Catalysts for the asymmetric transfer hydrogenation of various ketones from [3-[(2S)-2-[(diphenylphosphanyl)oxy]-3-phenoxypropyl]-1-methyl-1H-imidazol-3-ium chloride] and [Ru(?6-arene)(?-Cl)Cl]2, Ir(?5-C5Me5)(?-Cl)Cl]2 or [Rh(?-Cl)(cod)]2
Meric, Nermin; Arslan, Nevin; Kayan, Cezmi; Rafikov, Khadichakhan; Zazybin, Alexey; Kerimkulova, Aygul; Aydemir, Murat (Elsevier Science Sa, 2019)The combination of [3-[(2S)-2-[(diphenylphosphanyl)oxy]-3-phenoxypropyl]-1-methyl-1H-imidazol-3-ium chloride] with [Ru(eta(6)-arene)(mu-Cl)Cl](2), Ir(eta(5)-C5Me5)(mu-Cl)Cl](2) or [Rh(mu-Cl)(cod)](2), in the presence of ... -
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 ... -
Enantioselective transfer hydrogenation of various ketones with novel efficient iridium(III) ferrocenyl-phosphinite catalysts
Meric, Nermin; Aydemir, Murat (Elsevier Science Sa, 2016)The asymmetric reduction of prochiral ketones is a pivotal reaction for the preparation of chiral alcohols which form an extremely important class of intermediates for fine chemicals and pharmaceuticals. Especially, ... -
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 ... -
Fluorine/phenyl chelated boron complexes: Synthesis, fluorescence properties and catalyst for transfer hydrogenation of aromatic ketones
Kilic, Ahmet; Aydemir, Murat; Durgun, Mustafa; Meric, Nermin; Ocak, Yusuf Selim; Keles, Armagan; Temel, Hamdi (Elsevier Science Sa, 2014)The synthesis of salen/salan ligands (L-1 and L-2) and their fluorine/phenyl chelated boron complexes [L(1,2)BF2] or [L(1,2)BPh2] is described in this paper. The fluorine/phenyl chelated boron complexes were synthesized ... -
Highly efficient iridium catalysts based on C2-symmetric ferrocenyl phosphinite ligands for asymmetric transfer hydrogenations of aromatic ketones
Ak, Bunyamin; Aydemir, Murat; Durap, Feyyaz; Meric, Nermin; Elma, Duygu; Baysal, Alan (Pergamon-Elsevier Science Ltd, 2015)A series of chiral modular C-2-symmetric ferrocenyl phosphinite ligands have been synthesized in good yields by using 1,1'-ferrocenedicarboxyaldehyde and various amino alcohols as starting materials, and applied in the ... -
Imine containing C2-Symmetric chiral half sandwich ?6-p-cymene-Ru(II)- phosphinite complexes: Investigation of their catalytic activity in the asymmetric transfer hydrogenation of ketones
Saleh, Najmuldain Abdullah; Pasa, Salih; Kayan, Cezmi; Meric, Nermin; Sunkur, Murat; Aral, Tarik; Aydemir, Murat (Elsevier, 2020)New chiral C-2-symmetric bis(phosphinite) ligands containing imine group were synthesized from 1-({[(1R,2R)-2-{[(2-hydroxynaphthalen-1-yl)methylidene] amino}cyclohexyl]- imino}methyl)- naphthalen-2-ol and two equivalents ... -
Ionic liquid based Ru(II)-phosphinite compounds and their catalytic use in transfer hydrogenation: X-ray structure of an ionic compound 1-chloro-3-(3-methylimidazolidin-1-yl)propan-2-ol
Aydemir, Murat; Rafikova, Khadichakhan; Kystaubayeva, Nurzhamal; Pasa, Salih; Meric, Nermin; Ocak, Yusuf Selim; Zazybin, Alexey (Pergamon-Elsevier Science Ltd, 2014)The compound 1-chloro-3-(3-methylimidazolidin-1-yl)propan-2-ol chloride (1) was prepared from the reaction of 1-methylimidazole with epichlorohydrine. The corresponding phosphinite ligands were synthesized by the reaction ... -
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 chiral ruthenium(II)-phosphinite complexes containing a ferrocenyl group in enantioselective transfer hydrogenations of aromatic ketones
Ak, Bunyamin; Elma, Duygu; Meric, Nermin; Kayan, Cezmi; Isik, Ugur; Aydemir, Murat; Durap, Feyyaz (Pergamon-Elsevier Science Ltd, 2013)A new and versatile class of unsymmetrical ferrocenyl-phosphinite ligands possessing a stereogenic center has been prepared from commercially available, inexpensive aminoacids such as, D-, L-phenylglycine and D-, ... -
A new class of well-defined ruthenium catalysts for enantioselective transfer hydrogenation of various ketones
Kayan, Cezmi; Meric, Nermin; Rafikova, Khadichakhan; Zazybin, Alexey; Gurbuz, Nevin; Karakaplan, Mehmet; Aydemir, Murat (Elsevier Science Sa, 2018)A pair of novel optically pure phosphinite ligands were synthesized by ring opening reaction of chiral amines with (R)-styrene oxide or (S)-glycidyl phenyl ether oxide using a straightforward method in high yields and their ... -
New functional chiral P-based ligands and application in ruthenium-catalyzed enantioselective transfer hydrogenation of ketones
Meric, Nermin; Kayan, Cezmi; Gurbuz, Nevin; Karakaplan, Mehmet; Binbay, Nil Ertekin; Aydemir, Murat (Pergamon-Elsevier Science Ltd, 2017)Metal-catalyzed asymmetric transfer hydrogenation is a powerful and practical method for the reduction of ketones to produce the corresponding secondary alcohols, which are valuable building blocks in the pharmaceutical, ... -
Novel neutral phosphinite bridged dinuclear ruthenium(II) arene complexes and their catalytic use in transfer hydrogenation of aromatic ketones: X-ray structure of a new Schiff base, N3,N3?-di-2-hydroxybenzylidene-[2,2?]bipyridinyl-3,3?-diamine
Aydemir, Murat; Durap, Feyyaz; Baysal, Akin; Meric, Nermin; Buldag, Ayseguel; Guemguem, Bahattin; Oezkar, Saim (Elsevier, 2010)A novel Schiff base N3,N3'-di-2-hydroxybenzylidene-[2,2']bipyridinyl-3,3'-diamine, 1 was synthesized from condensation of salicylaldehyde with 3,3'-diamino-2,2'-bipyridine. Reaction of 1 with two equivalents of PPh2Cl in ... -
Organometallic ruthenium, rhodium and iridium complexes containing a P-bound thiophene-2-(N-diphenylphosphino)methylamine ligand: Synthesis, molecular structure and catalytic activity
Aydemir, Murat; Baysal, Akin; Meric, Nermin; Kayan, Cezmi; Gumgum, Bahattin; Ozkar, Saim; Sahin, Ertan (Elsevier Science Sa, 2011)Reaction of Ph2PNHCH2-C4H3S with [Ru(eta(6)-p-cymene)(mu-Cl)Cl](2), [Ru(eta(6)-benzene)(mu-Cl)Cl](2), [Rh(mu-Cl)(cod)](2) and [Ir(eta(5)-C5Me5)(mu-Cl)Cl](2) yields complexes [Ru(Ph2PNHCH2-C4H3S)(eta(6)-p-cymene)Cl-2], 1, ... -
Rhodium-catalyzed transfer hydrogenation with functionalized bis(phosphino) amine ligands
Aydemir, Murat; Meric, Nermin; Kayan, Cezmi; Ok, Fatih; Baysal, Akin (Elsevier Science Sa, 2013)A series of novel cationic mononuclear rhodium( I) complexes with the P-N-P ligands have been prepared starting from the complex [Rh(cod)(2)]BF4. The structural elucidation of the complexes was carried out by elemental ...
