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_4028783
_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            'C55 H56 B2 N2'
_chemical_formula_weight         766.64
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.310(7)
_cell_angle_beta                 77.264(7)
_cell_angle_gamma                67.385(6)
_cell_formula_units_Z            2
_cell_length_a                   11.3808(14)
_cell_length_b                   13.1225(16)
_cell_length_c                   16.561(2)
_cell_measurement_reflns_used    6045
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.50
_cell_measurement_theta_min      2.48
_cell_volume                     2195.0(5)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2000)'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.032
_diffrn_reflns_av_sigmaI/netI    0.0503
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            20940
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.74
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  0.9889
_exptl_absorpt_correction_T_min  0.9870
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.160
_exptl_crystal_description       prism
_exptl_crystal_F_000             820
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.249
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     541
_refine_ls_number_reflns         8714
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0510
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0724P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1250
_refine_ls_wR_factor_ref         0.1382
_reflns_number_gt                6192
_reflns_number_total             8714
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo401748d_si_001_9.cif
_cod_data_source_block           j-31fr22
_cod_database_code               4028783