Introducing the Dihydro-1,3-azaboroles: Convenient Entry by a Three-Component Reaction, Synthetic and Photophysical Application
Li, Jun; Daniliuc, Constantin G.; Kartha, Kalathil K.; Fernández, Gustavo; Kehr, Gerald; Erker, Gerhard; Journal of the American Chemical Society  (2021) –; doi:10.1021/jacs.0c12236

data_4135524
_publ_section_title
;
 Introducing the Dihydro-1,3-azaboroles: Convenient Entry by a
 Three-Component Reaction, Synthetic and Photophysical Application
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c12236
_journal_year                    2021
_chemical_formula_sum            'C36 H30 B F9 N2 O'
_chemical_formula_weight         688.43
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           'APEX3 v2016.1-0'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   22.8203(6)
_cell_length_b                   8.8132(3)
_cell_length_c                   31.8125(9)
_cell_measurement_reflns_used    9695
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      66.6130
_cell_measurement_theta_min      4.1162
_cell_volume                     6398.1(3)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_publication_material  'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Kappa CCD APEXII'
_diffrn_measurement_method       'phi / omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0507
_diffrn_reflns_av_unetI/netI     0.0355
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            56281
_diffrn_reflns_theta_full        66.77
_diffrn_reflns_theta_max         66.77
_diffrn_reflns_theta_min         3.87
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.054
_exptl_absorpt_correction_T_max  0.92
_exptl_absorpt_correction_T_min  0.77
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Bruker AXS (2014). SADABS, Version 2014/5, Bruker AXS Inc., Madison, Wisconsin,
USA.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.429
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2832
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.422
_refine_diff_density_min         -0.254
_refine_ls_abs_structure_details
;

Flack x determined using 4228 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.04(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     957
_refine_ls_number_reflns         10789
_refine_ls_number_restraints     213
_refine_ls_restrained_S_all      1.209
_refine_ls_R_factor_all          0.0376
_refine_ls_R_factor_gt           0.0330
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0408P)^2^+1.6231P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0784
_refine_ls_wR_factor_ref         0.0810
_reflns_number_gt                9924
_reflns_number_total             10789
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c12236_si_004.cif
_cod_data_source_block           erk9733
_cod_database_code               4135524
_shelx_res_checksum              69972
_shelx_hkl_checksum              7273