Microwave-Assisted Synthesis in Water: First one-pot Synthesis of A novel Class of Polysubstituted Benzo[4,5]imidazo[1,2-b]pyridazines via Intramolecular SNAr
Behbehani, Haider; Ibrahim, Hamada Mohamed; RSC Adv.  (2015) –; doi:10.1039/C5RA17313B

data_7222974
_publ_section_title
;
 Microwave-Assisted Synthesis in Water: First one-pot Synthesis of A novel
 Class of Polysubstituted Benzo[4,5]imidazo[1,2-b]pyridazines via
 Intramolecular SNAr
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA17313B
_journal_year                    2015
_chemical_formula_moiety         'C26 H14 Br F N4 O2'
_chemical_formula_sum            'C26 H14 Br F N4 O2'
_chemical_formula_weight         513.32
_chemical_name_systematic        4y
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2015-09-17 deposited with the CCDC.
2015-10-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 108.430(7)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   14.361(6)
_cell_length_b                   14.051(6)
_cell_length_c                   11.274(4)
_cell_measurement_reflns_used    3417
_cell_measurement_temperature    293
_cell_measurement_theta_max      26.34
_cell_measurement_theta_min      2.99
_cell_volume                     2158.3(15)
_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    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0525
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            18659
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.952
_exptl_absorpt_correction_T_max  0.677
_exptl_absorpt_correction_T_min  0.057
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.580
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1032.00
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.540
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     307
_refine_ls_number_reflns         4380
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0388
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0630P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1231
_reflns_number_gt                2434
_reflns_number_total             4380
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c5ra17313b2.cif
_cod_data_source_block           4y
_cod_original_cell_volume        2158.2(14)
_cod_database_code               7222974