Arene extrusion as an approach to reductive elimination at boron: implication of carbene-ligated haloborylene as a transient reactive intermediate.
Zhang, Chonghe; Gilliard, Jr, Robert J; Cummins, Christopher C.; Chemical science 15 (2024) 17873–17880; doi:10.1039/d4sc05524a

data_1572765
_publ_section_title
;
 Arene extrusion as an approach to reductive elimination at boron:
 implication of carbene-ligated haloborylene as a transient reactive
 intermediate.
;
_journal_issue                   43
_journal_name_full               'Chemical science'
_journal_page_first              17873
_journal_page_last               17880
_journal_paper_doi               10.1039/d4sc05524a
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C23 H35 B Br N'
_chemical_formula_sum            'C23 H35 B Br N'
_chemical_formula_weight         416.24
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2023-07-12
_audit_creation_method
;
Olex2 1.5
(compiled 2023.03.06 svn.rbb2c1857 for OlexSys, GUI svn.r6748)
;
_audit_update_record
;
2023-09-26 deposited with the CCDC.	2024-10-02 downloaded from the CCDC.
;
_cell_angle_alpha                80.686(3)
_cell_angle_beta                 87.975(3)
_cell_angle_gamma                80.672(3)
_cell_formula_units_Z            2
_cell_length_a                   8.7428(7)
_cell_length_b                   9.4037(8)
_cell_length_c                   13.3258(11)
_cell_measurement_reflns_used    9865
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.227
_cell_measurement_theta_min      2.500
_cell_volume                     1066.79(15)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.00
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0428
_diffrn_reflns_av_unetI/netI     0.0207
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            70071
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.384
_diffrn_reflns_theta_min         1.549
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.933
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.6533
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1042 before and 0.0574 after correction.
The Ratio of minimum to maximum transmission is 0.8755.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_description       plate
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.102
_exptl_crystal_size_mid          0.098
_exptl_crystal_size_min          0.021
_refine_diff_density_max         0.682
_refine_diff_density_min         -0.462
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         6941
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0283
_refine_ls_R_factor_gt           0.0242
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0387P)^2^+0.2177P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0646
_refine_ls_wR_factor_ref         0.0660
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6289
_reflns_number_total             6941
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc05524a3.cif
_cod_data_source_block           8
_cod_depositor_comments
'Adding full bibliography for 1572763--1572772.cif.'
_cod_database_code               1572765
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.961
_shelx_estimated_absorpt_t_min   0.827
_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:
 C10(H10), C1(H1)
2.b Secondary CH2 refined with riding coordinates:
 C21(H21A,H21B), C22(H22A,H22B), C23(H23A,H23B), C20(H20A,H20B), C19(H19A,
 H19B), C15(H15A,H15B)
2.c Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C7(H7)
2.d Idealised Me refined as rotating group:
 C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C3(H3A,H3B,H3C), C2(H2A,H2B,H2C),
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C)
;
_shelx_res_checksum              15613
_shelx_hkl_checksum              28447
_olex2_submission_special_instructions 'No special instructions were received'