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RISThe Double Hydrogen Bond Acceptor Capability of Phosphoryl Oxygen Atom in C6H5P(O)[NHC6H4-4-CH3]2
In the structure of bis(4-methylphenylamido) phenylphosphine oxide, C6H5P(O)[NHC6H4-4-CH3]2, the O atom of P═O group acts as a double H-bond acceptor, resulting from the involvement of two H-atom donor sites (N—H units) ...
Synthesis and characterization of three new amido-phosphate salts with a C(O)NHP(O)(O)-[N] skeleton
The structural features of three new [XC(O)NHP(O)(O)Y]ˉ[H2Y]+ amido-phosphate salts [X = CCl3 and Y = NHC6H4(2F) (1); X = CCl3 and Y = N(C2H5)(C6H11) (2); X = C6H5 and Y = (NHC6H4(3Cl) (3)] are studied. For each of ...
A combined X-ray crystallography and theoretical study of N—H…OX (X is ═P and —C) hydrogen bonds in two new structures with a (C—O)2(N)P(═Y)(Y is O and S) skeleton
The crystal structures of N,N'-(cyclohexane-1,4-diyl)bis(O,O'-diphenylphosphoramide), C30H32N2O6P2 or (C6H5O)2P(O)(1-NH)(C6H10)(4-NH)P(O)(OC6H5)2, (I), and N,N'-(1,4-phenylene)bis(O,O'-dimethylthiophosphoramide), C10H18N2O4P2S2 ...
Synthesis, Spectroscopic Study, X-Ray Crystallography Investigation and Hirshfeld Surface Analysis of Three New Phosphorous-Nitrogen Compounds
New phosphorous-nitrogen compounds 2,3-F2—C6H3C(O)NHP(O)[N(CH3)CH2C6H5]2 (I), C6H5OP(O)[NHCH(CH3)2]2 (II) and (CH3O)2P(S)[NHC6H4NH]P(S)(OCH3)2 (III) were synthesized and characterized by 19F NMR for (I) and 1H, 13C, 31P ...
A new phosphoric triamide structure: (CH2FC(O)NH)P(O)(NHC6H4-4-CH3)2
The new (CH2FC(O)NH)P(O)(NHC6H4-4-CH3)2 compound was crystallized in the space group C2/c and characterized by 1H, 13C, 31P, 19F NMR and IR spectroscopies, mass spectrometry and by single crystal X-ray diffraction analysis. ...
Synthesis, Spectroscopic Study and Crystal Structure of a New Single-Enantiomer C(O)NHP(O)-Based Phosphoric Triamide, CCl3C(O)NHP(O)[(R)-(+)-NHCH(CH3)(C6H5)]2, 0.25 H2O
The crystal structure of CCl3C(O)NHP(O)[(R)-(+)-NHCH(CH3)(C6H5)]2, 0.25 H2O has been determined; it belongs to the chiral space group P1. In all four phosphoric triamide molecules of the asymmetric unit, the P atom has a ...
The synergistic co-operation of N—H...O=P hydrogen bonds and C—H...OX weak intermolecular interactions (X is =P or —C) in the (CH3O)2P(O)(NH–NHC6F5) amidophosphoester: a combined X-ray crystallographic and theoretical study
The asymmetric unit of O,O\\\\\\'-dimethyl [(2,3,4,5,6-pentafluorophenyl)hydrazinyl]phosphonate, C8H8F5N2O3P, is composed of two symmetry-independent molecules with significant differences in the orientations of the C6F5 and ...
Puckering behavior in six new phosphoric triamides containing aliphatic six- and seven-membered ring groups and a database survey of analogous ring-containing structures
The influence of a N heteroatom on the ring conformations of six- and seven-membered aliphatic rings in six new C(O)NHP(O)-based phosphoric triamide structures (analysed by X-ray crystallography) is investigated. Additionally ...
Conformational flexibility in amidophosphoesters: a CSD analysis completed with two new crystal structures of (C6H5O)2P(O)X [X = NHC7H13 and N(CH2C6H5)2]
The crystal structures of diphenyl (cycloheptylamido)phosphate, C19H24NO3P or (C6H5O)2P(O)(NHC7H13), (I), and diphenyl (dibenzylamido)phosphate, C26H24NO3Por(C6H5O)2P(O)[N(CH2C6H5)2], (II), are reported. The NHC7H13 group ...
Puckering behaviours in phosphoric triamide structures containing aliphatic ring groups
The conformational studies of non-rigid rings/segments are attracted interest not only in viewpoint of diversity of different topologies found but also due to pharmacological considerations in biological systems. Different ...