Reactivity of C,N-chelated organoboron compounds with lithium anilides–formation of unexpected 1,2,3-trisubstituted 1H-2,1-benzazaboroles.
Hejda, Martin; Lyčka, Antonín; Jambor, Roman; R°užička, Aleš; Dostál, Libor; Dalton transactions (Cambridge, England : 2003) 42 (2013) 6417–6428; doi:10.1039/c3dt32850c

data_7022685
_publ_section_title
;
 Reactivity of C,N-chelated organoboron compounds with lithium
 anilides--formation of unexpected 1,2,3-trisubstituted
 1H-2,1-benzazaboroles.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6417
_journal_page_last               6428
_journal_paper_doi               10.1039/c3dt32850c
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C35 H50 B N3'
_chemical_formula_sum            'C35 H50 B N3'
_chemical_formula_weight         523.59
_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
_cell_angle_beta                 98.560(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9470(6)
_cell_length_b                   20.765(2)
_cell_length_c                   17.1239(15)
_cell_measurement_reflns_used    28173
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.3
_cell_measurement_theta_min      1
_cell_volume                     3145.9(5)
_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area detector'
_diffrn_measurement_method       '\f and \w scans to fill the Ewald sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0548
_diffrn_reflns_av_sigmaI/netI    0.0453
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            28078
_diffrn_reflns_theta_full        27.30
_diffrn_reflns_theta_max         27.30
_diffrn_reflns_theta_min         1.96
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.105
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.37
_refine_diff_density_max         1.112
_refine_diff_density_min         -0.335
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         6984
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.1173
_refine_ls_R_factor_gt           0.0760
_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^)+(0.0479P)^2^+4.8075P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1591
_refine_ls_wR_factor_ref         0.1880
_reflns_number_gt                4827
_reflns_number_total             6984
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt32850c.txt
_cod_data_source_block           shelxl8
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7022685