نتایج جستجو برای: 24 dichloro 7 8 benzoquinoline

تعداد نتایج: 1355870  

2008
Yuan Wang Zheng Liu Jiong-Yang Gao

In the title compound, [Cu(C(8)H(5)Cl(2)N(3)OS)(C(3)H(7)NO)]·C(3)H(7)NO, the Cu(II) atom is coordinated in a slightly distorted square-planar geometry by an O, an S and an N atom from the tridentate ligand 3,5-dichloro-salicylaldehyde thio-semi-carb-azonate ligand and one O atom from dimethyl-formamide. At the same time, the Cu atom is in contact with S and Cl atoms from another two complexes [...

2010
Umar Hayat Waseeq Ahmad Siddiqui M. Nawaz Tahir Ghulam Hussain

In the mol-ecule of the title compound, C(13)H(8)Cl(3)N, the 4-chloro-aniline and 2,4-dichloro-benzaldehyde moieties are planar with r.m.s. deviation of 0.0115 and 0.0116 Å, respectively, and are oriented at a dihedral angle of 13.94 (8)°.

Journal: :Nucleic acids research 1984
Z Kazimierczuk G R Revankar R K Robins

Direct glycosylation of the sodium salt of 4,6-dichloro- or 4,6-dibromo-2-methylthiopyrrolo[2,3-d]pyrimidine with 2,3,5-tri-O-benzoyl-D-ribofuranosyl bromide gave good yield of the corresponding N7-glycosylated pyrrolo [2,3-d]pyrimidine. The intermediate 4-amino-6-chloro-2-methylthio-7-beta-D-ribofuranosylpyrrolo[2,3-d] pyrimidine provided a new synthetic route to tubercidin, via 6-chlorotuberc...

2016

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Journal: :Acta Crystallographica Section E Structure Reports Online 2011

2016
Kai Schwedtmann Michael H. Holthausen Chris H. Sala Felix Hennersdorf Roland Fröhlich Jan J. Weigand

The reaction of the neutral diphosphanide [(Im)P–P(Cl)(Dipp)] (6) (Im = 4,5-dichloro-1,3-bis(Dipp)-imidazol-2-yl; Dipp = 2,6-di-iso-propylphenyl) with methyl triflate (MeOTf) leads to the formation of cationic diphosphane [(Im)(Me)P–P(Cl)(Dipp)] (8) in a stereoselective methylation. In contrast, reacting 6 with the Lewis acid GaCl3 yields cationic diphosphene [( Im)PQP(Dipp)] (7), which is expl...

2008
Wu-Lan Zeng

In the title mol-ecule, C(24)H(19)Cl(2)N(3), the dihedral angles between the benzotriazole group and the ethyl- and dichloro-substituted benzene rings are 16.53 (1) and 82.09 (1)°, respectively. The crystal structure is stabilized by weak inter-molecular C-H⋯O inter-actions.

2010
Graham Smith Urs D. Wermuth

In the structure of the 1:1 proton-transfer compound of 4-methyl-pyridine (γ-picoline) with 4,5-dichloro-phthalic acid, C(6)H(8)N(+)·C(8)H(3)Cl(2)O(4) (-)·H(2)O, determined at 200 K, the 4,5-dichloro-phthalate anions are bridged by the water mol-ecule through O-H⋯O(carbox-yl) hydrogen bonds, giving zigzag chains which extend along the c-axis direction. The 4-methyl-pyridinium cations are linked...

2008
B. Thimme Gowda Sabine Foro Hartmut Fuess

The conformation of the N-H bond in the structure of the title compound (3CPA), C(8)H(8)ClNO, is anti to the meta-chloro substituent, in contrast to the syn conformation observed for the ortho-chloro substituent in N-(2-chloro-phen-yl)acetamide, syn to both the ortho and meta chloro substituents in N-(2,3-dichloro-phen-yl)acetamide, and syn to the ortho chloro substituent in N-(2,4-dichloro-phe...

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