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نمایش تعداد 1-10 از 34

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    A new phosphoric triamide structure: (CF3C(O)NH)P(O)(NHC6H4-4-CH3)2 

    نوع: Conference Paper
    نویسنده : فاطمه کریمی احمداباد; مهرداد پورایوبی; Fatemeh Karimi Ahamadabad; Mehrdad Pourayoubi; Pablo J. Bereciartua; Michal Dusek
    سال: 2018
    خلاصه:

    The synthesis, spectroscopic characterization (1H-, 13C-, 31P-, 19F-NMR, IR and mass) and single crystal X-ray diffraction analysis of (CF3C(O)NH)P(O)(NHC6H4-4-CH3)2 were investigated. The compound was crystallized in the ...

    Synthesis and spectroscopic characterization of two pairs of phosphoric triamide enantiomers 

    نوع: Conference Paper
    نویسنده : مهرداد پورایوبی; Mehrdad Pourayoubi
    سال: 2019
    خلاصه:

    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 [3]. In this study, two...

    Synthesis and Crystal structure of a New N-(2,6-dichlorobenzoyl)-N\\',N\\',N\\",N\\"-tetra(ethyl)-Phosphoric triamide 

    نوع: Conference Paper
    نویسنده : مریم طغرائی; مهرداد پورایوبی; maryam toghraee; Mehrdad Pourayoubi
    سال: 2012
    خلاصه:

    Synthesis and Crystal structure of a New N-(2,6-dichlorobenzoyl)-N\\',N\\',N\\",N\\"-tetra(ethyl)-Phosphoric triamide

    Maryam Toghraee*, Mehrdad Pourayoubi

    Department of Chemistry, Ferdowsi University of Mashhad, Mashhad, 91779, Iran...

    A New Solvated Phosphoric Triamide, [(C6H4(3-CH3)NH)3P(O)] · (C2H5OH): A Database Analysis of N Atom Geometry in Compounds with an [N]3P(O) Fragment 

    نوع: Journal Paper
    نویسنده : مهرداد پورایوبی; مهناز رستمی چایجان; Zdenka Padelková; Aleš Ružicka; Mehrdad Pourayoubi; Mahnaz Rostami Chaijan
    سال: 2013
    خلاصه:

    In the crystal structure of the title compound C21H24N3OP・C2H5OH, there are three crystallographically independent phosphoric triamide molecules and three ethanol molecules. The environments of the nitrogen atoms are practically planar...

    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 

    نوع: Journal Paper
    نویسنده : مارال آریانی; مهرداد پورایوبی; Michal DuŠek; بنفشه وحدانی الویری; Vaclav Eigner; Krishnan Damodaran; Maral Ariani; Mehrdad Pourayoubi; Banafsheh Vahdani Alviri
    سال: 2017
    خلاصه:

    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 distorted tetrahedral [NCP...

    Synthesis, spectroscopic characterization and crystal structure of 3,5-F2C6H3C(O)N(H)P(O)X, X= NH-CH2-C(CH3)2-CH2-NH: The first 

    نوع: Conference Paper
    نویسنده : صمد شوق پوربیرق; مهرداد پورایوبی; مجتبی کیخا; samad shoghpour bayraq; Mehrdad Pourayoubi; MOJTABA KEIKHA
    سال: 2011
    خلاصه:

    A new phosphoric triamide compound with formula 3,5-F2C6H3C(O)N(H)P(O)X2, X2= NH-CH2-C(CH3)2-CH2-NH (1) was synthesized and characterized by 1H, 13C, 19F, 31P{1H} NMR, IR spectroscopy, CHN elemental analysis and X-ray crystallography...

    Synthesis, spectroscopic characterization and crystal structure of 3-FC6H4C(O)N(H)P(O)X, X=N(CH3)-CH2-C6H5 

    نوع: Conference Paper
    نویسنده : صمد شوق پوربیرق; مهرداد پورایوبی; مجتبی کیخا; حسن فدائی; samad shoghpour bayraq; Mehrdad Pourayoubi; MOJTABA KEIKHA; hassan fadaei
    سال: 2011
    خلاصه:

    A new phosphoric triamide compound with formula 3-FC6H4C(O)N(H)P(O)X2, X=N(CH3)-CH2-C6H5 (1) was synthesized and characterized by 1H, 13C, 19F, 31P{1H} NMR, IR spectroscopy, CHN elemental analysis and X-ray crystallography. In the crystal structure...

    A new organotin(IV)-phosphoric triamide complex: [(2-Cl-C6H4CH2NH)3P(O)]2SnMe2Cl2 

    نوع: Conference Paper
    نویسنده : Fahimeh Sabbaghi; Azam Ashabi; مهرداد پورایوبی; Michal Dušek; Monika Kučeraková; Mehrdad Pourayoubi
    سال: 2015
    خلاصه:

    The ligands with an N―P(O) segment, especially phosphoric triamides with the oxygen-donicity property, were used for preparation of metal complexes.1,2 Here, the phosphoryl donor ligand (2-Cl-C6H4CH2NH)3P(O) was applied for the synthesis of a new...

    Analysis of hydrogen bond directionality in phosphoric triamides 

    نوع: Conference Paper
    نویسنده : مریم طاهرزاده; مهرداد پورایوبی; M. Nečas; صمد شوق پوربیرق; H. Amiri Rudbari; G. Bruno; T. Mancilla Percino; M. A. Leyva Ramírez; Maryam Taherzadeh; Mehrdad Pourayoubi; M. Nečas; samad shoghpour bayraq; H. Amiri Rudbari; G. Bruno; T. Mancilla Percino; M. A. Leyva Ramírez
    سال: 2017
    خلاصه:

    Six new crystal structures, [4-Cl-C6H4C(O)NH]P(O)[NR1R2]2 (NR1R2 = N(CH2C6H5)2 (1), NHCH2C6H5 (2), NHC6H4(4-CH3) (3)) and [RC(O)NH]P(O)[N(CH3)(CH2C6H5)]2 (R = 3-F-C6H4 (4), (3,5-F2)C6H3 (5)) and [(3,5-F2)C6H3C(O)NH]P(O)[NH]2C5H10 ...

    Synthesisand X-Ray Crystal Structure of (C6H5C(O)NH)P(O)(NHC6H4-4-Cl)2, (CH3)2NC(O)H 

    نوع: Conference Paper
    نویسنده : زینت افتخاری; مهرداد پورایوبی; Michal Dušek; Václav Eigner; zinat eftekhary; Mehrdad Pourayoubi
    سال: 2017
    خلاصه:

    The C(O)NHP(O)-based phosphoric triamides have attracted scientificattention as ligands with a wide range ofcoordinationpossibilities for p-, d- and f-block metals [1–4]. In this research, using phosphorus-chlorine reagent (C6H5C(O)NH)P(O)Cl2, a new...

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