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    Phosphoramides and thiophosphoramides: some different structural aspects investigated based on the structures deposited in the Cambridge Structural Database (CSD) completed with new diffraction studies 

    Type: Conference Paper
    Author : مهرداد پورایوبی; Mehrdad Pourayoubi
    Year: 2015
    Abstract:

    The structural features of phosphoramides and thiophosphoramides are reviewed and compared

    with the structures of the phosphorous (V) compounds with the [N][X][Y]P═O and [N][X][Y]P═S

    segments (N = nitrogen ...

    Crystal structure and Hirshfeld surface analysis of [S-(–)(C6H5)CH(CH3)NP(S)NH(S)-(–)CH(CH3)(C6H5)]2,H2O 

    Type: Conference Paper
    Author : مهرداد پورایوبی; Mehrdad Pourayoubi
    Year: 2019
    Abstract:

    The cyclic compound [S-(–)-(C6H5)CH(CH3)NP(S)NH(S)-(–)-CH(CH3)(C6H5)]2,H2O, or C32H38N4P2S2,H2O is a member of a class of molecules that may be used for extraction of metals. The literature shows many studies of the bidentate ...

    Synthesis and spectroscopic characterization of two pairs of phosphoric triamide enantiomers 

    Type: Conference Paper
    Author : مهرداد پورایوبی; Mehrdad Pourayoubi
    Year: 2019
    Abstract:

    Many chiral phosphorus compounds have been synthesized and used in different scientific domains such as medicine [1] and enantioselective catalysts [2], however few number of chiral phosphoric triamides were investigated ...

    Synthesis, spectroscopic characterization and crystal structure of a new chiral amidophosphoester 

    Type: Conference Paper
    Author : مهرداد پورایوبی; Mehrdad Pourayoubi
    Year: 2019
    Abstract:

    The chiral amidophosphoester families have found widespread use in the preparation of different classes of drugs, and for processing of biologically active compounds [1]. We report here the synthesis of single-enantiomer ...

    Synthesis, Spectroscopic Characterization and Crystal Structure of a New Acetyl phosphorylamidate P(O)[NHC(O)C6H4(4-NO2)][N(CH(CH3)2)(CH2C6H5)]2 

    Type: Journal Paper
    Author : مهرداد پورایوبی; Fahimeh Sabbaghi; Mehrdad Pourayoubi
    Year: 2009
    Abstract:

    A new acetyl phosphorylamidate P(O)[NHC(

    O)C6H4(4-NO2)][N(CH(CH3)2)(CH2C6H5)]2 has been

    synthesized and characterized by elemental analysis, 1H,

    13C and 31P NMR, IR and single crystal X-ray ...

    Crystal structure of cyclohexyl-tert-butylammonium dichlorophosphate, (C10H20NH2)PCl2O2 

    Type: Journal Paper
    Author : مهرداد پورایوبی; Khodayar Gholivand; Mehrdad Pourayoubi
    Year: 2004
    Abstract:

    C10H22Cl2NO2P, triclinic, a = 9.358(1) Ǻ, b = 10.433(1) Ǻ, c = 16.186(2) Ǻ, V = 1526.9 Ǻ3, Z = 4, Rgt(F) = 0.063, wRref(F2) = 0.133, T = 293 K.

    2JPNH and 3JPNH Coupling Constants, Crystallography and NMR Considerations 

    Type: Conference Paper
    Author : Khodayar Gholivand; مهرداد پورایوبی; Mehrdad Pourayoubi
    Year: 2004
    Abstract:

    2JPNH and 3JPNH Coupling Constants, Crystallography and NMR Considerations

    A Novel Cationic Phosphoramidate, Synthesis, Characterization, And Its Behavior Versus Silver Fluoride And Hydroxid Ion 

    Type: Conference Paper
    Author : Khodayar Gholivand; مهرداد پورایوبی; Mehrdad Pourayoubi
    Year: 2003
    Abstract:

    A Novel Cationic Phosphoramidate, Synthesis, Characterization, And Its Behavior Versus Silver Fluoride And Hydroxid Ion

    آنالیز کنفورماسیونی در محلول و حالت جامد، بررسی ساختار بلوری C6H5C(O)NHP(O)[NH(tert-C4H9)]2 

    Type: Conference Paper
    Author : خدایار قلی وند; مهرداد پورایوبی; Mehrdad Pourayoubi
    Year: 2004
    Abstract:

    آنالیز کنفورماسیونی در محلول و حالت جامد، بررسی ساختار بلوری C6H5C(O)NHP(O)[NH(tert-C4H9)]2

    A Novel Hybrid Material Based on Two Symmetrically Independent Keggin 

    Type: Journal Paper
    Author : مهرداد پورایوبی; A.R. Mahjoub; Mehrdad Pourayoubi
    Year: 2008
    Abstract:

    Novel polyoxometalate-based organic-inorganic hybrid [NH3-CH(CH3)COOH][H3O]8[PMo12O40]3.4NH3CH(CH3)COO was

    synthesized and characterized by 31P, 1H, 13C NMR and IR spectroscopies, elemental analysis and single crystal ...

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