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Synthesis and Crystal Structure of Methyl 2-(Diphenylamino)-4-phenyl-1,3-thiazole-5-carboxylate

Chinese Journal of Structural Chemistry 2013年第1期32卷 82-88页

作者： ali souldozi Seyed Hamid Reza Shojaei ali Ramazani Katarzyna lepokura Tadeusz Lis Department of Chemistry Urmia Branch Islamic Azad University P. O. Box 969 Urmia Iran Department of Physics Urmia Branch Islamic Azad University P. O. Box 969 Urmia Iran Department of Chemistry Zanjan Branch Islamic Azad University P. O. Box 49195-467 Zanjan Iran Faculty of Chemistry University of Wroclaw 14 Joliot-Curie St. 50-383 Wroclaw Poland

The title compound, methyl 2-（diphenylamino）-4-phenyl-1,3-thiazole-5-carboxylate, was synthesized and studied by single-crystal X-ray diffraction method. The structure of the product was confirmed by IR, 1H- and 13C-NMR spectroscopy and elemental analysis. These experimental studies were supported by quantum mechanical calculations. The structure was solved in monoclinic, space group P21/c with a = 9.573（3）, b = 19.533（7）, c = 9.876（3）, β = 92.35（4）°, V = 1845.2（10）3, T = 85（2） K, Z = 4, R = 0.040 and wR = 0.089 for 6424 observed reflections with I2σ（I）.

关键词： single-crystal X-ray structure multi-component reaction methyl 2-(diphenylamino)-4-phenyl-1 3-thiazole-5-carboxylate benzoyl isothiocyanate diphenylamine dimethyl acetylenedicarboxylate

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Synthesis and Crystal Structure of N-(2-(1,3,4-oxadiazol-2-yl)phenyl)-2,3-dimethylaniline

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Chinese Journal of Structural Chemistry 2014年第3期33卷 407-414页

作者： ali souldozi Seyed Hamid Reza Shojaei ali Ramazani Katarzyna ?lepokura Tadeusz Lis Department of Chemistry Urmia Branch Islamic Azad University Department of Physics Urmia Branch Islamic Azad University Department of Chemistry Zanjan Branch Islamic Azad University Faculty of Chemistry University of Wroc?aw 14 Joliot-Curie St. 50-383 Wroc?aw Poland

The title compound, N-（2-（1,3,4-oxadiazol-2-yl）phenyl）-2,3-dimethylaniline, was synthesized and studied by single-crystal X-ray diffraction method. The structure of the product was confirmed by IR, ^1H- and ^13C-NMR spectroscopy, elemental analysis and mass spectrometry. These experimental studies were supported by theoretical optimizations.

关键词： single-crystal X-ray structure 1,3,4-oxadiazoles N-(2-(1,3,4-oxadiazol-2- yl)phenyl)-2,3-dimethylaniline (N-isocyanimino)triphenylphosphorane

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Synthesis and Structural Characterization of Organophosphorus Ylide-1-(3-nitrophenyl)-2-(triphenyl phosphoranylidene)ethanone

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Chinese Journal of Structural Chemistry 2015年第3期34卷 373-378页

作者： aliREZA Dadrass ali Ramazani AHMAD Poursattar Marjani HOJJATOLLAH Rahchamani HASSAN Nasri Koureh ali souldozi SEPIDEH Samiee KATARZYNA lepokura TADEUSZ Lis Department of Chemistry Faculty of Science Urmia University Department of Chemistry Zanjan Branch Islamic Azad University Department of Chemistry Urmia Branch Islamic Azad University Department of Chemistry Faculty of Science Shahid Chamran University Faculty of Chemistry University of Wroc?aw

The title compound Ph3P=C（H）C（O）PhNO2 （L） has been prepared by the addition of triphenylphosphine in acetone as solvent to 2-bromo-1-（3,nitrophenyl）ethanone followed by the addition of alkaline solution of sodium hydroxide. The yellow crystals of the title ylide were grown in methanol/chloroform solution by drop method without stirring at room temperature. The solid state structure of ylide has been established by X-ray crystallography analysis. In the molecule of the title compound, the geometry around the P atom is nearly tetrahedral and the O atom is in synperiplanar orientation to the P atom. The nitrophenyl ring is twisted with respect to the plane of the carbonyl group through an angle of 36.6（1）°. The crystal （C26H20NO3P, Mr = 425.40） belongs to the monoclinic system, space group P21/n with a = 10.889（3）, b = 14.467（3）, e = 13.872（4）A, β = 103.08（3）°, V = 2128.6（10） A3, Z= 4, T= 100（2） K, R = 0.059 and wR = 0.163 for 3984 observed reflections with I〉 2σ（I）.

关键词： crystal structure, phosphorus yUde, 2-bromo-1-(3-nitrophenyl)ethanone,triphenylphosphine

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