نتایج جستجو برای: naphthalen
تعداد نتایج: 693 فیلتر نتایج به سال:
The title compound, C(23)H(18)BrN, was synthesized by the reaction of 4-bromo-benzaldehyde, naphthalen-2-amine and cyclo-hexa-none in tetra-hydro-furan, catalyzed by iodine. The saturated six-membered ring adopts a half-chair conformation, and the four vicinal rings form a helical conformation, which results in a significant deviation from planarity for the pyridine ring. In the crystal, a weak...
In the title compound, [HgI(2)(C(23)H(14)N(4)O)], the Hg(II) atom is four-coordinated by two N atoms from one 1-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)naphthalen-2-ol ligand and by two I atoms in a distorted tetra-hedral environment. An intra-molecular O-H⋯N hydrogen bond stabilizes the mol-ecular conformation and an inter-molecular N-H⋯I inter-action stabilizes the crystal packing.
Symmetrical and asymmetrical cyclopropenones with diferrocenyl, diaryl and aryl-ferrocenyl substituents were obtained and their chemical behavior was studied. 1-Ethoxy-2,3-diarylcyclopropenylium terafluoroborate selectively reacts with MeLi, n-BuLi with formation of the 3,3-dialkyl-1,2-diarylcyclopropenes. The structures of 2,3-bis(4methoxyphenyl) cyclopropenone (10), 2-ferrocenyl-3-(4-methoxyp...
Six substituted ligands based upon 2-(naphthalen-1-yl)quinoline-4-carboxylate and 2-(naphthalen-2-yl)quinoline-4-carboxylate have been synthesised in two steps from a range of commercially available isatin derivatives. These species are shown to be effective cyclometallating for IrIII, yielding complexes the form [Ir(C^N)2(bipy)]PF6 (where C^N=cyclometallating ligand; bipy=2,2′-bipyridine). X-r...
In the crystal structure of the title compound, [Cu(C(12)H(9)O(2))(2)(C(4)H(6)N(2))(2)]·H(2)O, the Cu(II) atom is coordinated by two 2-(naphthalen-1-yl)acetate anions and two 1-methyl-imidazole ligands, giving monomeric complexes with a square-planar coordination environment. Two complex mol-ecules and two water mol-ecules form a centrosymmetric ring system via O-H⋯O hydrogen bonds.
The title compound, C(22)H(18)N(2)O, was synthesized from naphthalen-2-ol, benzaldehyde and pyridin-2-amine. In the crystal, mol-ecules are linked into centrosymmetric R(2) (2)(16) dimers by pairs of O-H⋯N hydrogen bonds. The mol-ecular conformation is stabilized by an N-H⋯O hydrogen bond. The dihedral angle between the naphthylene ring system and the phenyl ring is 72.86 (12)°.
A method for preparation of a new stable Cu(I) catalyst supported on weakly acidic polyacrylate resin without additional stabilizing ligands is described. A simple and efficient methodology for Ullmann Cu(I) catalyzed C-N cross coupling reactions using this original catalyst is reported. Coupling reactions of 4-chloropyridinium chloride with anilines containing electron donating (EDG) or electr...
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