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Toplam kayıt 10117, listelenen: 1-20

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1, 1′,3,3′-tetraalkyl-2,2′-biperimidinylidenes: Unexpected substituent effects on the reactivity of carbon-carbon double bond

Alici, B.; Hökelek, T.; Çetinkaya, E.; Çetinkaya, B. (2003)

C2 deprotonation of 1, 3-dibutylperimidinium bromide (1a) with sodium hydride and a catalytic amount of potassium tert-butoxide in dry THF led to the formation of the exceptionally inert tetraaminoalkene 2a. In contrast, ...
1,1′-Butane-1,4-diylbis(1H-benzimidazole)

Akkurt, M.; Karaca, S.; Küçükbay, H.; Büyükgüngör, O. (2007)

The molecule of the title compound, C18H18N 4, is disposed about a center of inversion. The dihedral angle between the five- and six-membered rings is 1.23 (6)°, showing almost exact coplanarity. © 2007 International Union ...
1,3-Bis(2-phenylethyl)benzimidazolium-2-dithiocarboxylate

Akkurt, M.; Öztürk, S.; Küçükbay, H.; Orhan, E.; Büyükgüngör, O. (2004)

The title compound, C24H22N2S2, crystallizes with two independent molecules in the asymmetric unit; these have essentially the same geometry. However, the dihedral angles between the planes of the two phenyl rings are 30.8 ...
1,3-Bis(2-thienylmeth-yl)-4,5-dihydro-imidazolium trichlorido( 6-p-cymene)ruthenate(II)

Arslan, H.; Vanderveer, D.; Zdemir, S.; Gürbüz, N.; Gök, Y.; Etinkaya, B. (2009)

The asymmetric unit of the title compound, (C13H15N2S2)[RuCl3(C10H14)], contains a 1,3-(2-thienylmeth-yl)-4,5-dihydro-imidazolium cation and a trichlorido( 6-p-cymene)ruthenate(II) anion. The thio-phene rings of the cation ...
{1,3-Bis(3,4,5-trimethoxy-benz-yl)-3,4,5,6-tetra-hydro-pyrimidin-2-yl- idene}chloro(n4-cyclo-octa-1,5-diene)rhodium(I)

Arslan, H.; VanDerveer, D.; Özdemir, I.; Demir, S.; Çetinkaya, B. (2007)

In the title complex, [RhCl(C8H12)(C24H32N2O6)], the Rh atom is coordinated by a Cl atom, one C atom of the tetrahydropyrimidine ring and the two double bonds of cyclo-octa-diene. Each of the tetra-hydro-pyrimidine and ...
1,3-Bis(3-phenyl-prop-yl)benzimidazolium bromide monohydrate

Akkurt, M.; Karaca, S.; Yilmaz, Ü.; Küçükbay, H.; Büyükgüngör, O. (2008)

In the title compound, C25H27N2 +·Br-·H2O, the benzimidazole unit is essentially planar, with a maximum deviation of 0.020 (6) Å. The benzimidazole unit makes dihedral angles of 83.6 (3) and 81.0 (3)° with the two terminal ...
1,3-Bis(3-phenylpropyl)-1H-1,3-benzimidazole-2(3H)-selone

Akkurt, M.; Yilmaz, U.; Küçükbay, H.; Büyükgüngör, O. (2011)

The title molecule, C25H26N2Se, has mirror symmetry, with the mirror plane passing through the atoms of the C Se bond and the mid-points of the two C-C bonds of the benzene ring of the benzimidazole group. The dihedral ...
1,3-Bis(3-phenylpropyl)-1H-benz-imidazole-2(3H)-tellurone

Yalçin, Ş.P.; Akkurt, M.; Yilmaz, Ü.; Küçükbay, H.; Büyükgüngör, O. (2008)

The title compound, C25H26N2Te, was synthesized from bis-[1,3-bis-(3- phenyl-prop-yl)benzimidazolidin-2-yl-idene] and Te in a toluene solution. The molecule possesses a twofold rotation axis passing through the Te atom and ...
1,3-Bis(3-phenylpropyl)-1H-benzimidazol-3-ium-2-carbodithioate

Akkurt, M.; Yilmaz, Ü.; Küçükbay, H.; Gençaslan, M.; Büyükgüngör, O. (2008)

The title compound, C26H26N2S2, was synthesized from bis-[1,3-bis-(3-phenyl-prop-yl)benzimidazolidine-2-yl- idene] and CS2 in toluene. The mol-ecular structure is composed of a benzimidazole ring system with two phenyl-propyl ...
1,3-Bis(4-methylbenzyl)benzimidazolium chloride monohydrate

Pinar, Ş.; Akkurt, M.; Küükbay, H.; Sireci, N.; Büyükgüngör, O. (2006)

The cation in the title compound, C23H23N 2+·Cl-·H2O, features a benzimidazole ring connected to two 4-methylbenzyl rings via methylene bridges. The crystal structure is stabilized by C - H⋯O, C - H⋯Cl and O - H⋯Cl ...
1,3-Bis(4-tert-butyl-benz-yl)-4,5-dihydro-imidazolium chloride monohydrate

Arslan, H.; Vanderveer, D.; Yaar, S.; Zdemir, S.; Etinkaya, B. (2009)

In the title compound, C25H35N2 +·Cl -·H2O, the imidazolidine ring adopts a twisted conformation, with a pseudo-twofold axis passing through the N - C - N carbon and the opposite C - C bond. The N - C - N fragment of the ...
1,3-Bis(thio-phen-2-ylmeth-yl)-3,4,5,6-tetrahydropyrimidinium trichlorido(μ6-pcymene)ruthenate(II)

Arslan, H.; Vanderveer, D.; Özdemir, S.; Gürbüz, N.; Gök, Y.; Çetinkaya, B. (2008)

The asymmetric unit of the title compound, (C14H17N2S2)[Ru(C10H14)Cl3], contains a 1,3-bis-(thio-phen-2-ylmeth-yl)-3,4,5,6-tetra-hydro-pyrimidinium cation and a trichlorido(μ6-p-cymene)ruthenate(II) anion. The Ru atom ...
1,3-Bis[(5-aminofuran-2-yl)methyl]-3,4,5,6-tetrahydropyrimidin-1-ium hexafluorophosphate

Akkurt, M.; Akkoç, S.; Gök, Y.; Tahir, M.N. (2013)

The asymmetric unit of the title salt, C16H21N2O2 +·PF6 -, contains half of the whole ion pair, which has crystallographic mirror symmetry. Two F atoms related by the mirror plane are disordered over two sites of equal ...
1,3-Bis[4-(dimethyl-amino)benz-yl]-4,5,6,7-tetra-hydro-1H-1, 3-diazepan-2-ium chloride

Arslan, H.; Vanderveer, D.; Gök, Y.; Özdemir, S.; Çetinkaya, B. (2008)

The title N-heterocyclic carbene derivative, C23H33N4 +· Cl-, has been synthesized and characterized by elemental analysis, 1H and 13C NMR, IR spectroscopy and a single-crystal X-ray diffraction study. Ions of the title ...
1,3-Dioxane Functionalized Pd-PEPPSI Catalyst for Direct Arylation of Heteroaromatics

Ulu, Ö.D. (2021)

A series of benzimidazolium salts (1a-d) and their Pd-PEPPSI complexes (pyridine-enhanced precatalyst preparation, stabilization, and initiation) (2a-d) were prepared to catalyze the direct arylation of heteroaromatics ...
1,4,5,6-tetrahydropyrimidinium halides ligands for Suzuki-Miyaura cross-coupling of unactivated aryl chlorides

Alici, B.; Özdemir, I.; Gürbüz, N.; Çetinkaya, E.; Çetinkaya, B. (2005)

Four functionalized bis(1,4,5,6-tetrahyropyrimidinium) salts (2a-d) have been prepared and characterized by conventional spectroscopic methods and elemental analyses. A highly effective, easy to handle and environmentally ...
1-(1H-Benzimidazol-1-ylmeth-yl)-3-[2-(di-isopropyl-amino)eth-yl] -1H-benzimid-azolium bromide 0.25-hydrate

Arslan, H.; VanDerveer, D.; Demir, S.; Zdemir, S.; Cetinkaya, B. (2009)

The title N-heterocyclic carbene derivative, C23H 30N5+·Br-·0.25H2O, was synthesized using microwave heating and was characterized by 1H and 13C NMR spectroscopy and a single-crystal X-ray diffraction study. The structure ...
1-(2-morpholinoethyl)-1 H-benzimidazole

Akkurt, M.; Öztürk, S.; Şireci, N.; Küçükbay, H.; Büyükgüngör, O. (2004)

A new benzimidazole derivative, C13H17N3O, was studied. The benzimidazole ring was connected by an ethylene group to the morpholine ring, which has a clear conformation. The residue was treated with chloroform, and the ...
1-(2-Phenylbenzyl)-3-(2,4,6-trimethylbenzyl)imidazolidinium bromide

Arslan, H.; VanDerveer, D.; Yaşar, S.; Özdemir, S.; Çetinkaya, B. (2008)

In the title salt, C26H29N2 +·Br-, which may serve as a precursor for N-heterocyclic carbenes, the imidazolidine ring adopts a twist conformation with a pseudo-twofold axis passing through the N - C - N carbon and the ...
1-(2-piperidinoethyl)-1H-benzimidazole

Türktekin, S.; Akkurt, M.; Şireci, N.; Küçükbay, H.; Büyükgüngör, O. (2004)

The title compound, C14H19N3, was synthesized from benzimidazole and N-(2-chloroethyl)piperidine hydrochloride in KOH/EtOH solution. The benzimidazole ring is connected to the piperidine ring by an ethylene group. The ...

Toplam kayıt 10117, listelenen: 1-20

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