High-performance anionic stereogenic-at-cobalt(III) complex/halide salts/oxone catalytic system for enantioselective halocyclization of olefins.
Fang, Yi-Jun; Wu, Xiao-Bao; Wang, Qi-Ming; Xie, Zu-Kui; Yao, Chuan-Zhi; Jiang, Hua-Jie; Yu, Jie; Chemical communications (Cambridge, England) 61 (2025) 2814–2817; doi:10.1039/d4cc06610c

data_7134183
_publ_section_title
;
 High-performance anionic stereogenic-at-cobalt(III) complex/halide
 salts/oxone catalytic system for enantioselective halocyclization of
 olefins.
;
_journal_issue                   13
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2814
_journal_page_last               2817
_journal_paper_doi               10.1039/d4cc06610c
_journal_volume                  61
_journal_year                    2025
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C24 H24 Br N O2 S'
_chemical_formula_sum            'C24 H24 Br N O2 S'
_chemical_formula_weight         470.41
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-08-31
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2024-08-08 deposited with the CCDC.	2025-01-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8681(2)
_cell_length_b                   10.6446(2)
_cell_length_c                   21.1836(4)
_cell_measurement_reflns_used    9869
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      54.96
_cell_measurement_theta_min      3.63
_cell_volume                     2225.17(7)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      296
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0871
_diffrn_reflns_av_unetI/netI     0.0537
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            23732
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         54.978
_diffrn_reflns_theta_min         3.631
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.397
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.4355
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.2054 before and 0.0980 after correction. The Ratio of minimum to maximum transmission is 0.5800. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_description       block
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.774
_refine_diff_density_rms         0.068
_refine_ls_abs_structure_details
;
 Flack x determined using 1525 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.021(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         4220
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0383
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0520P)^2^+0.0224P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0931
_refine_ls_wR_factor_ref         0.0966
_reflns_Friedel_coverage         0.750
_reflns_Friedel_fraction_full    0.996
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                3884
_reflns_number_total             4220
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc06610c2.cif
_cod_data_source_block           210831fyj_2_0m
_cod_depositor_comments
'Adding full bibliography for 7134183--7134186.cif.'
_cod_database_code               7134183
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.890
_shelx_estimated_absorpt_t_min   0.831
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C4(H4A,H4B), C5(H5A,H5B)
2.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C13(H13), C14(H14), C15(H15),
 C16(H16), C17(H17), C19(H19), C20(H20), C22(H22), C23(H23)
2.d Idealised Me refined as rotating group:
 C24(H24A,H24B,H24C)
;
_shelx_res_checksum              78379
_shelx_hkl_checksum              89109
_olex2_submission_special_instructions 'No special instructions were received'