l-Proline catalyzed one-pot synthesis of polysubstituted pyridine system incorporating benzothiazole moiety via sustainable sonochemical approach
Ibrahim, Hamada Mohamed; Ahmed Arafa, Wael Abdelgayed; Behbehani, Haider; RSC Advances 8 (2018) 37606–; doi:10.1039/C8RA07013J

data_7231786
_publ_section_title
;
 l-Proline catalyzed one-pot synthesis of polysubstituted pyridine system
 incorporating benzothiazole moiety via sustainable sonochemical approach
;
_journal_issue                   66
_journal_name_full               'RSC Advances'
_journal_page_first              37606
_journal_paper_doi               10.1039/C8RA07013J
_journal_volume                  8
_journal_year                    2018
_chemical_formula_moiety         'C20 H10 Cl N5 O S'
_chemical_formula_sum            'C20 H10 Cl N5 O S'
_chemical_formula_weight         403.84
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2018-07-26 deposited with the CCDC.
2018-10-19 downloaded from the CCDC.
;
_cell_angle_alpha                61.344(5)
_cell_angle_beta                 80.031(6)
_cell_angle_gamma                83.005(6)
_cell_formula_units_Z            2
_cell_length_a                   6.4441(8)
_cell_length_b                   12.3108(13)
_cell_length_c                   12.7473(12)
_cell_measurement_reflns_used    4717
_cell_measurement_temperature    150
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      3.19
_cell_volume                     873.13(17)
_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      150
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0257
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8558
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.361
_exptl_absorpt_correction_T_max  0.930
_exptl_absorpt_correction_T_min  0.695
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.536
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             412.00
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.440
_refine_diff_density_min         -0.240
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.917
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     247
_refine_ls_number_reflns         3935
_refine_ls_number_restraints     7
_refine_ls_R_factor_gt           0.0349
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0686P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0968
_reflns_number_gt                3027
_reflns_number_total             3935
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c8ra07013j2.cif
_cod_data_source_block           User-defined
_cod_original_cell_volume        873.13(16)
_cod_database_code               7231786