Synthesis of 1,2-Borazaronaphthalenes from Imines by Base-Promoted Borylation of C-H bond.
Liu, Xinwang; Wu, Pengbo; Li, Jianfeng; Cui, Chunming; The Journal of organic chemistry 80 (2015) 3737–3744; doi:10.1021/jo5029437

data_4030737
_publ_section_title
;
 Synthesis of 1,2-Borazaronaphthalenes from Imines by Base-Promoted
 Borylation of C-H bond.
;
_journal_issue                   8
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              3737
_journal_page_last               3744
_journal_paper_doi               10.1021/jo5029437
_journal_volume                  80
_journal_year                    2015
_chemical_formula_moiety         'C24 H31 B Br N'
_chemical_formula_sum            'C24 H31 B Br N'
_chemical_formula_weight         424.22
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.019(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   34.465(5)
_cell_length_b                   16.955(2)
_cell_length_c                   15.653(2)
_cell_measurement_reflns_used    28272
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      1.3
_cell_volume                     8912(2)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r2'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r2 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r2'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 14.6
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Rigaku Saturn 724CCD camera'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  Multilayer
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0539
_diffrn_reflns_av_sigmaI/netI    0.0542
_diffrn_reflns_limit_h_max       45
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            82210
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         1.21
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.853
_exptl_absorpt_correction_T_max  0.7315
_exptl_absorpt_correction_T_min  0.6860
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3552
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.783
_refine_diff_density_min         -1.108
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1001
_refine_ls_number_reflns         21188
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0721
_refine_ls_R_factor_gt           0.0551
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0642P)^2^+6.3307P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1357
_refine_ls_wR_factor_ref         0.1449
_reflns_number_gt                16920
_reflns_number_total             21188
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo5029437_si_002.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 4030737--4030739.cif.'
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4030737