Modification and Unexpected Reactivity of 2-Borylbenzaldimines: Acylated and Silylated Derivatives as Well as Dimeric Compounds
Benedikt Neue; Atsushi Wakamiya; Roland Fröhlich; Birgit Wibbeling; Shigehiro Yamaguchi; Ernst-Ulrich Würthwein; Journal of Organic Chemistry 78 (2013) 11747–11755; doi:10.1021/jo401748d

data_4028780
_publ_section_title
;
 Modification and Unexpected Reactivity of 2-Borylbenzaldimines: Acylated
 and Silylated Derivatives as Well as Dimeric Compounds
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              11747
_journal_page_last               11755
_journal_paper_doi               10.1021/jo401748d
_journal_volume                  78
_journal_year                    2013
_chemical_formula_sum            'C31 H38 B N O'
_chemical_formula_weight         451.43
_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                 95.780(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.8585(2)
_cell_length_b                   31.3626(8)
_cell_length_c                   9.4406(3)
_cell_measurement_reflns_used    4232
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     2609.51(12)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.030
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            16653
_diffrn_reflns_theta_full        67.29
_diffrn_reflns_theta_max         67.29
_diffrn_reflns_theta_min         4.91
_exptl_absorpt_coefficient_mu    0.510
_exptl_absorpt_correction_T_max  0.9507
_exptl_absorpt_correction_T_min  0.8219
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_description       plate
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.241
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         4542
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0450
_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^)+(0.0551P)^2^+0.7495P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1184
_refine_ls_wR_factor_ref         0.1232
_reflns_number_gt                4054
_reflns_number_total             4542
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo401748d_si_001_6.cif
_cod_data_source_block           wue5752
_cod_database_code               4028780