A Pd-catalyzed route to carborane-fused boron heterocycles.
Zhu, Mengjie; Wang, Puzhao; Wu, Zhengqiu; Zhong, Yangfa; Su, Laiman; Xin, Yuquan; Spokoyny, Alexander M.; Zou, Chao; Mu, Xin; Chemical science 15 (2024) 10392–10401; doi:10.1039/d4sc02214a

data_1571747
_publ_section_title
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 A Pd-catalyzed route to carborane-fused boron heterocycles.
;
_journal_issue                   27
_journal_name_full               'Chemical science'
_journal_page_first              10392
_journal_page_last               10401
_journal_paper_doi               10.1039/d4sc02214a
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C18 H20 B10 N2'
_chemical_formula_sum            'C18 H20 B10 N2'
_chemical_formula_weight         372.46
_chemical_name_systematic        123
_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
_atom_sites_solution_primary     iterative
_audit_creation_date             2023-09-26
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2024-01-04 deposited with the CCDC.	2024-05-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.249(15)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.3214(15)
_cell_length_b                   22.248(4)
_cell_length_c                   12.425(3)
_cell_measurement_reflns_used    5164
_cell_measurement_temperature    302.00
_cell_measurement_theta_max      68.022
_cell_measurement_theta_min      3.567
_cell_volume                     2018.3(7)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.5 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      302.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0842
_diffrn_reflns_av_unetI/netI     0.0739
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            17104
_diffrn_reflns_point_group_measured_fraction_full 0.911
_diffrn_reflns_point_group_measured_fraction_max 0.902
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.420
_diffrn_reflns_theta_min         3.567
_diffrn_source_current           1.1
_diffrn_source_power             0.05500000000000001
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.474
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6209
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1450 before and 0.0613 after correction.
The Ratio of minimum to maximum transmission is 0.8245.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.226
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.223
_refine_diff_density_min         -0.175
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details
;
 Flack x determined using 2007 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.2(2)
_refine_ls_extinction_coef       0.0025(4)
_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   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     542
_refine_ls_number_reflns         6680
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0442
_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^)+(0.0690P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1126
_refine_ls_wR_factor_ref         0.1219
_reflns_Friedel_coverage         0.772
_reflns_Friedel_fraction_full    0.819
_reflns_Friedel_fraction_max     0.809
_reflns_number_gt                5371
_reflns_number_total             6680
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc02214a2.cif
_cod_data_source_block           cu_20230925_zm_hdlg_zmj_4_57_0
_cod_depositor_comments
'Adding full bibliography for 1571739--1571749.cif.'
_cod_original_cell_volume        2018.2(7)
_cod_database_code               1571747
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.950
_shelx_estimated_absorpt_t_min   0.941
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All B(H) groups, All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C5(H5), C6(H6), C7(H7), C10(H10), C13(H13), C14(H14),
 C15(H15A), C16(H16), C19(H19A), C21(H21), C22(H22), C23(H23), C24(H24),
 C28(H28), C31(H31), C32(H32), C33(H33), C34(H34)
2.b Boron cage BH refined with riding coordinates:
 B12(H12), B13(H13A), B14(H14A), B15(H15), C17(H17), B17(H17A), B18(H18),
 C18(H18A), B19(H19), B20(H20), B3(H3), B4(H4A), B5(H5A), B6(H6A), B7(H7A),
 B8(H8), B9(H9), B10(H10A), C35(H35), C36(H36)
;
_olex2_submission_special_instructions 'No special instructions were received'