Approaches towards the synthesis of a novel class of 2-amino-5-arylazonicotinate, pyridazinone and pyrido[2,3-d]pyrimidine derivatives as potent antimicrobial agents
Hamada Mohamed Ibrahim; Haider Behbehani; Mohamed H Elnagdi; Chemistry Central Journal 7 (2013) 123–; doi:10.1186/1752-153X-7-123

data_1547187
_publ_section_title
;
 Approaches towards the synthesis of a novel class of
 2-amino-5-arylazonicotinate, pyridazinone and pyrido[2,3-d]pyrimidine
 derivatives as potent antimicrobial agents
;
_journal_name_full               'Chemistry Central Journal'
_journal_page_first              123
_journal_paper_doi               10.1186/1752-153X-7-123
_journal_volume                  7
_journal_year                    2013
_chemical_formula_moiety         'C22 H20 Cl2 N4 O4'
_chemical_formula_sum            'C22 H20 Cl2 N4 O4'
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_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   7.5481(6)
_cell_length_b                   21.3823(13)
_cell_length_c                   27.862(2)
_cell_measurement_reflns_used    6446
_cell_measurement_temperature    293
_cell_measurement_theta_max      24.93
_cell_measurement_theta_min      3.07
_cell_volume                     4496.8(6)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'Il Milione (Burla, et al., 2007)'
_diffrn_ambient_temperature      293
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1139
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
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_diffrn_reflns_limit_l_min       -32
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_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_standards_interval_count .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.325
_exptl_absorpt_correction_T_max  0.937
_exptl_absorpt_correction_T_min  0.310
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1968.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.780
_refine_diff_density_min         -0.330
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     291
_refine_ls_number_reflns         3923
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0670
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1093P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1965
_reflns_number_gt                2109
_reflns_number_total             3923
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            13065_2013_670_MOESM5_ESM.cif
_cod_data_source_block           V
_cod_database_code               1547187