Synthesis of halogenated benzimidazolyl-C-nucleosides and their activity against Leishmania major and Leishmania tropica
Khan, Umair Ahmed; Choudhary, M. Iqbal; Yousuf, Sammer; New Journal of Chemistry 48 (2024) 5605–5612; doi:10.1039/D4NJ00035H

data_7063037
_publ_section_title
;
 Synthesis of halogenated benzimidazolyl-C-nucleosides and their activity
 against Leishmania major and Leishmania tropica
;
_journal_issue                   13
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              5605
_journal_page_last               5612
_journal_paper_doi               10.1039/D4NJ00035H
_journal_volume                  48
_journal_year                    2024
_chemical_formula_sum            'C19 H22 Cl2 F2 N2 O5'
_chemical_formula_weight         467.28
_chemical_name_common            GALF2
_chemical_name_systematic        GALF
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-10-11 deposited with the CCDC.	2024-02-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.352(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0713(12)
_cell_length_b                   17.542(2)
_cell_length_c                   12.5246(15)
_cell_measurement_reflns_used    9872
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.49
_cell_measurement_theta_min      3.68
_cell_volume                     2123.2(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1428
_diffrn_reflns_av_unetI/netI     0.0947
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            40977
_diffrn_reflns_point_group_measured_fraction_full 0.956
_diffrn_reflns_point_group_measured_fraction_max 0.955
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.288
_diffrn_reflns_theta_min         3.678
_exptl_absorpt_coefficient_mu    3.215
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_description       plate
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.310
_exptl_crystal_size_mid          0.310
_exptl_crystal_size_min          0.024
_exptl_transmission_factor_max   0.9270
_exptl_transmission_factor_min   0.4360
_refine_diff_density_max         1.299
_refine_diff_density_min         -0.975
_refine_diff_density_rms         0.115
_refine_ls_abs_structure_details
;
 Flack x determined using 1858 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.128(14)
_refine_ls_extinction_coef       0.0050(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     550
_refine_ls_number_reflns         7405
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.1147
_refine_ls_R_factor_gt           0.0825
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0879P)^2^+7.3033P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1923
_refine_ls_wR_factor_ref         0.2122
_reflns_Friedel_coverage         0.852
_reflns_Friedel_fraction_full    0.914
_reflns_Friedel_fraction_max     0.911
_reflns_number_gt                5574
_reflns_number_total             7405
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4nj00035h2.cif
_cod_data_source_block           ukgalf_0ma
_cod_depositor_comments
'Adding full bibliography for 7063036--7063039.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7063037
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.436
_shelx_estimated_absorpt_t_max   0.927
_shelx_res_checksum              20676
_shelx_hkl_checksum              63453