The link between relative stability constant of DNA- and BSA-chromenopyrimidine complexes and cytotoxicity towards human breast cancer cells (MCF-7)
Zamisa, Sizwe J.; Adeleke, Adesola A.; Devnarain, Nikita; Rhman, Mahasin Abdel; Owira, Peter M. O.; Omondi, Bernard; RSC Advances 13 (2023) 21820–21837; doi:10.1039/D3RA01741A

data_7247065
_publ_section_title
;
 The link between relative stability constant of DNA- and
 BSA-chromenopyrimidine complexes and cytotoxicity towards human breast
 cancer cells (MCF-7)
;
_journal_issue                   32
_journal_name_full               'RSC Advances'
_journal_page_first              21820
_journal_page_last               21837
_journal_paper_doi               10.1039/D3RA01741A
_journal_volume                  13
_journal_year                    2023
_chemical_formula_moiety         'C25 H21 F N4 O4'
_chemical_formula_sum            'C25 H21 F N4 O4'
_chemical_formula_weight         460.46
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2yc'
_space_group_name_H-M_alt        'I 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2023-04-12
_audit_creation_method
;
Olex2 1.5
(compiled 2023.03.06 svn.rbb2c1857 for OlexSys, GUI svn.r6748)
;
_audit_update_record
;
2023-04-12 deposited with the CCDC.	2023-07-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.5550(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   21.5323(4)
_cell_length_b                   6.93030(10)
_cell_length_c                   29.2911(7)
_cell_measurement_reflns_used    9225
_cell_measurement_temperature    99.97
_cell_measurement_theta_max      28.41
_cell_measurement_theta_min      4.38
_cell_volume                     4362.56(15)
_computing_cell_refinement       'COSMO (Bruker, V1.61, 2009)'
_computing_data_collection       'COSMO (Bruker, V1.61, 2009)'
_computing_data_reduction        'SAINT (Bruker)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS  (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.15
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0222
_diffrn_reflns_av_unetI/netI     0.0225
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            17399
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.431
_diffrn_reflns_theta_min         4.265
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6518
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2008/1 (Bruker,2008) was used for absorption correction. wR2(int) was 0.0630 before and 0.0310 after correction. The Ratio of minimum to maximum transmission is 0.8753. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_description       block
_exptl_crystal_F_000             1920
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Methanol'
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     312
_refine_ls_number_reflns         5402
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0482
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0460P)^2^+3.4918P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0897
_refine_ls_wR_factor_ref         0.0978
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4369
_reflns_number_total             5402
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ra01741a2.cif
_cod_data_source_block           3h
_cod_database_code               7247065
_shelx_shelxl_version_number     2019/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 N3-H3
 0.88 with sigma of 0.001
3.a Ternary CH refined with riding coordinates:
 C7(H7)
3.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C4(H4A,H4B)
3.c Aromatic/amide H refined with riding coordinates:
 C10(H10), C21(H21), C25(H25), C22(H22), C17(H17), C24(H24), C15(H15),
 C16(H16), C14(H14)
3.d Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C19(H19A,H19B,H19C)
;
_shelx_res_checksum              22056
_olex2_submission_special_instructions 'No special instructions were received'