Browsing by Author "Gümgüm, Bahattin"
Now showing items 1-20 of 23
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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 ... -
Dialkil ditiyofosforik asitler ile metal-dinonil ditiyofosforların sentezi ve analitik uygulamalarının araştırılması
Biricik, Nermin (2018)Özet Klasik yöntemle dinonil ditiyofosforik asidin ve ilk kez tarafımızdan olmak üze re mikrodalga yöntemiyle dinonil, dioktil, diheptil, dihekzil, dipentil ve dibütil ditiyofos forik asidin hazırlanma koşullan incelendi. ... -
Heteropoli asit ve komplekslerin spektroskopik incelenmesi ve analitik uygulamalarının araştırılması
Akba, Osman (2018)Heteropoli asit ve komplekslerinin spektroskopik özellikleri TGA, İR, XRD, UV, SEM fotoğraflama teknikleri ile incelendi. İncelenen heteropoli asitler, düşük düzeyde özgül yüzey alanı göstermektedir. Bunların katalitik ... -
Heteropoli asitlerin katalitik etkilerinin mikrodalga koşullarında araştırılması
Öztürk, Gülşen (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2001)Mikrodalga enerjisi kullanılarak heteropoli asitlerin katalitik etkileri, bazı reaksiyonlar üzerinde incelendi. Klasik yöntemle heteropoli asit katalizörlüğünde çok uzun sürede oluşan ve özellikle enerji gerektiren ... -
Katalizör olarak kullanılabilecek heteropoli asit tuzlarının hazırlanması
HPA'lann heterojen ve homojen katalizör olarak kullanılmaları çeşitli organik bileşiklerin sentezlenmesi açısından yeni bir çığır açmıştır. 1982 yılında HPA'nın katalizörlüğünde metakrolein'den metakrilik asit eldesinin ... -
Mikrodalga yöntemiyle çözücüsüz ortamda amit sentezi
Meriç, Nermin (2017)Bu çalışmada, mikrodalga yöntemiyle çözücüsüz ortamda α-hidroksiizobütirik asit ile anilin türevleri etkileştirilerek beş yeni amit elde edildi. Sonra farklı güçler farklı sürelerde uygulanarak bu amitleri en yüksek verimle ... -
A modular design of metal catalysts for the transfer hydrogenation of aromatic ketones
Aydemir, Murat; Baysal, Akın; Gümgüm, Bahattin (Wiley, 2012)The ability of transition metal catalysts to add or remove hydrogen from organic substrates by transfer hydrogenation is a valuable synthetic tool. Towards a series of novel metal complexes with a P-NH ligand, [Ph2PNHCH2C4H3O] ... -
New bis(diphenylphosphino)aniline derivatives: Synthesis and spectroscopic characterization
Biricik, Nermin; Durap, Feyyaz; Kayan, Cezmi; Gümgüm, Bahattin (Wiley-Hindawi, 2007)Six new multidentate bis(diphenylphosphino)amine [R-N(PPh2)(2)] ligands have been prepared from the reaction of aniline derivatives, R-NH2, with Ph2PCl in the presence of triethylamine. All of the compounds were obtained ... -
New chiral phosphinite ligands with C2-symmetric axis and their possible applications in Ru-catalyzed asymmetric transfer hydrogenation
Aydemir, Murat; Meriç, Nermin; Baysal, Akın; Kayan, Cezmi; Toğrul, Mahmut; Gümgüm, Bahattin (Wiley, 2010)The new chiral ligands N,N'-bis-[(1R)-1-ethyl-2-O-(diphenylphosphinite)ethyl]ethanediamide, 1, and N,N'-bis-[(1S)-1-isobutyl-2-O-(diphenylphosphinite)ethyl]ethanediamide, 2, and the corresponding ruthenium complexes 3 and ... -
P-N bond cleavage during the insertion of carbon fragments into PIII-N bonds in bis(diphenylphosphino) amines
Biricik, Nermin; Kayan, Cezmi; Gümgüm, Bahattin (Wiley-V C H Verlag Gmbh, 2014)The reaction of tertiary amine functionalized phosphines with aromatic and aliphatic aldehydes gives insertion of carbon fragments into the P-III-N bonds or P-III-N bond cleavage. The reaction of bis(diphenylphosphino) ... -
Pamuk elyafı üzerinde çeşitli reaktif boyaların (reactive red 141, reactive blue 160 ve reactive yellow 84) ve bunların ikili ve üçlü karışımlarının sorpsiyon, kinetik ve termodinamiğinin incelenmesi
Şahin Işgın, Elif (2016)Üç reaktif boyanın (C. /. Reactive Red 141, C. I. Reactive Blue 160 ve C. I. Reactive Yellow X4) denge sorpsiyon izotermleri, üç farklı sıcaklık ve pM'larda incelendi ve bu boyaların tekli, ikili ve üçlü karışımları saf ... -
Preparation and solvent extraction of nickel complex of O, O'-dinonyldithiophosphate and its application to spectrophotometric determination of nickel in sediment samples
Gümgüm, Bahattin; Biricik, Nermin; Baysal, Akın; Akba, Osman; Öztürk, Gülşen (Wiley-V C H Verlag Gmbh, 2006)Nickel complex of O, O'-dinonyldithiophosphoric acid was prepared and characterised. Solvent extraction of nickel dinonyldithiophosphate[Ni(DNDTP)(2)] from acidic aqueous solutions into different organic phases was ... -
Synthesis and characterization of new (N-diphenylphosphino)-isopropylanilines and their complexes: crystal structure of (Ph2P=S)NH-C6H4-4-CH(CH3)2 and catalytic activity of palladium(II) complexes in the Heck and Suzuki cross-coupling reactions
Aydemir, Murat; Baysal, Akın; Gürbüz, Nevin; Özdemir, İsmail; Gümgüm, Bahattin; Özkar, Saim; Çaylak, Nagihan (Wiley, 2010)Three new (N-diphenylphosphino)-isopropylanilines, having isopropyl substituent at the carbon 2- (1) 4- (2) or 2,6- (3) were prepared from the aminolysis of chlorodiphenylphosphine with 2-isopropylaniline,4-isopropylaniline ... -
Synthesis and characterization of transition metal complexes of thiophene-2-methylamine: X-ray crystal structure of palladium (II) and platinum (II) complexes and use of palladium(II) complexes as pre-catalyst in Heck and Suzuki cross-coupling reactions
Aydemir, Murat; Baysal, Akın; Durap, Feyyaz; Gümgüm, Bahattin; Özkar, Saim; Yıldırım, Leyla Tatar (Wiley, 2009)The reactions of thiophene-2-(N-diphenylphosphino)methylamine, Ph2PNHCH2-C4H3S, 1 and thiophene-2-[N,N-bis(diphenylphosphino)methylamine], (Ph2P)(2)NCH2-C4H3S, 2, with MCl2(cod) (M = Pd, Pt; cod = 1,5-cyclooctadiene) or ... -
Synthesis and characterizations of N,N′-bis(diphenylphosphino)-2-(aminomethyl)aniline derivatives: application of a palladium(II) complex as pre-catalyst in Heck and Suzuki cross-coupling reactions
Aydemir, Murat; Baysal, Akın; Öztürk, Gülşen; Gümgüm, Bahattin (Wiley, 2009)The reaction of 2-(aminomethyl)aniline with 2 equivalents of PPh2Cl in the presence of Et3N, proceeds in CH2Cl2 to give N,N'-bis(diphenyl phosphino)-2-(aminomethyl)ani line 1 in good yield. Oxidation of 1 with aqueous H2O2, ... -
Synthesis of new boron complexes: application to transfer hydrogenation of acetophenone derivatives
Kılıç, Ahmet; Kayan, Cezmi; Aydemir, Murat; Durap, Feyyaz; Durgun, Mustafa; Baysal, Akın; Taş, Eşref; Gümgüm, Bahattin (Wiley-Blackwell, 2011)Two new boron complexes were synthesized from N-[3-(methylmercapto)aniline]-3,5-di-tert-butylsalicylaldimine (LH) with boron reagent BPh3 or BF3 center dot Et2O. These boron complexes are stable and easily soluble in protic ... -
Synthesis of new thiol-derivatized aminophosphines and their catalytic activities in C{C coupling reactions
Meriç, Nermin; Gümgüm, Bahattin; Biricik, Nermin; Azizoğlu, Sevil Şeker; Özgen, Zeynep; Kayan, Cezmi (2015)A series of new aminophosphines [Ph 2 PHN-C 6 H 4 -R, where R = o -SH ( 4a ), m -SH ( 4b) or p -SH ( 4c )] were readily synthesized from cheap starting materials by the phosphorylation reaction of o , m , and p -aminothiophenols ... -
Synthesis, Characterization, Crystal and Molecular Structure of 1,5-Dihydro-2H-cyclopenta[1,2-b:5,4-b′]dipyridin-2-imine
Baysal, Akın; Durap, Feyyaz; Gümgüm, Bahattin; Yıldırım, Leyla T.; Ülkü, Dinçer; Boğa, Ayşe Dilek; Özkar, Saim (Wiley-V C H Verlag Gmbh, 2007)The reaction of 1,5-diliydro-2H-cyclopenta[1,2-b:5,4-b'ldipyridin-2-one (3) with an alkylamine (butvlamine, hexylamine or ethylenediamine) yields, quite unexpectedly and in the absence of catalyst, the novel compound ... -
Synthesis, spectroscopic and electrochemical investigations of two vic-dioximes and their mononuclear Ni(II), Cu(II) and Co(II) metal complexes containing morpholine group
Kılıç, Ahmet; Taş, Eşref; Gümgüm, Bahattin; Yımaz, İsmail (Wiley-V C H Verlag Gmbh, 2006)Two vic-dioxime ligands (LxH2) containing morpholine group have been synthesized from 4-[2-(dimethylaminoethyl)] morpholine with anti-phenylchloroglyoxime or anti-monochloroglyoxime in absolute THF at -15 degrees C. Reaction ...
