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_7222973
_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_sum            'C28 H20 Br N5 O5 S'
_chemical_formula_weight         618.46
_chemical_name_common            Hamada_FK87_02_06_14
_chemical_name_systematic        4w
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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
_cell_angle_beta                 108.369(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.8147(8)
_cell_length_b                   7.4508(5)
_cell_length_c                   21.5768(11)
_cell_measurement_reflns_used    4127
_cell_measurement_temperature    296.(2)
_cell_measurement_theta_max      64.9366
_cell_measurement_theta_min      4.3182
_cell_volume                     2718.0(3)
_computing_cell_refinement       'SAINT V8.18C (Bruker AXS Inc., 2011)'
_computing_data_collection       'Bruker Instrument Service v2012.4.0.0'
_computing_data_reduction        'SAINT V8.18C (Bruker AXS Inc., 2011)'
_computing_molecular_graphics    'Mercury 3.1'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker X8 Prospector'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0487
_diffrn_reflns_av_unetI/netI     0.0448
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            16961
_diffrn_reflns_theta_full        66.62
_diffrn_reflns_theta_max         66.62
_diffrn_reflns_theta_min         4.32
_diffrn_source_type              'Incoatec Cu-ImS'
_exptl_absorpt_coefficient_mu    3.191
_exptl_absorpt_correction_T_max  0.94
_exptl_absorpt_correction_T_min  0.70
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_density_diffrn    1.511
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1256
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.520
_refine_diff_density_min         -0.550
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     402
_refine_ls_number_reflns         4701
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0721
_refine_ls_R_factor_gt           0.0444
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0509P)^2^+1.4870P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1082
_refine_ls_wR_factor_ref         0.1241
_reflns_number_gt                3192
_reflns_number_total             4701
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra17313b2.cif
_cod_data_source_block           4w
_cod_database_code               7222973