Synthesis, spectroscopic characterizationand crystal structure and of N-(bis-isopropylamino)phosphoryl-3-nitro benzamide Vahid Rezaei 1, Mehrdad Pourayoubi1 Chemistry Department, Ferdowsi University of Mashhad, Mashhad, 91779, Iran The 3-nitrobenzylphosphor amide dichloro synthesized by adding PCl5 to 3-nitrobenzamide in CH3CN solver and oil bath presence. So, the oil bath replaced with the ice bath, then added Acid Formic. In this condition, the 3-nitrobenzylphosphor amide dichloro prepared N(Bisisopropyl)amino)phosphoryl)-3-nitro benzamide was synthesized from the reaction of 3-nitrobenzoylphosphoramidic dichloride and iso-propylamine, andcharacterized by (1H, 13C and 31P) NMR andIR spectroscopy techniques and single crystal X-ray determination. The phosphorus signal appears at 5.52 ppm (85% H3PO4 as external standard). Thecrystal structure contains three symmetry-independent disorderedmolecules. The P atom in the title compound, C13 H21 N4 O4 P, is bonded in a distorted tetra-hedral geometry with the phosphoryl and carbonyl groups anti with respect to one another Aim of this paper, is Phosphor Inorganic Ligands synthesizing by using 3-nitrobenzylphosphor amide dichloro as reactant and chlor replacing by special amine as specific ratio in laboratory conditions. References: 1. Gholivand, K., Mostaanzadeh ,H., Koval, T.,Dusek, M.,Erben, M.,Della Vedova, C., (2009). "Synthesis, crystal structure and spectroscopic properties of a novel carbacylamidophosphate:Gholivand, K., H. Mostaanzadeh, et al. (2009). "Synthesis, crystal structure and spectroscopic properties of a novel carbacylamidophosphate: N-(3-nitrobenzoyl)-N', N''-bis (tert-butyl) phosphoric triamide." Acta Crystallographica Section B: Structural Science 65(4): 502-508. 2. Raissi Shabari, A., M. Pourayoubi, et al. (2012). "N, N'-Bis (4-methylphenyl)-N''-(2, 2, 2-trichloroacetyl) phosphoric triamide." Acta Crystallographica Section E: Structure Reports Online 68(6): o1813-o1813. P2413T2

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