Multiple C-H borylation of phenylhydrazones to boron-nitrogen analogues of benzopentalene
Cong Ma; Jianying Zhang; Jianfeng Li; Chunming Cui; Chem.Commun. 51 (2015) 5732–; doi:10.1039/C5cc00471C

data_7116819
_publ_section_title
;
 Multiple C-H borylation of phenylhydrazones to boron-nitrogen analogues
 of benzopentalene
;
_journal_name_full               Chem.Commun.
_journal_page_first              5732
_journal_paper_doi               10.1039/C5cc00471C
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C32 H24 B2 N2'
_chemical_formula_weight         458.15
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-08-11 deposited with the CCDC.
2015-02-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.82(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.938(2)
_cell_length_b                   15.052(3)
_cell_length_c                   16.599(3)
_cell_measurement_reflns_used    5141
_cell_measurement_temperature    113.1500
_cell_measurement_theta_max      27.8585
_cell_measurement_theta_min      1.8294
_cell_volume                     2474.2(8)
_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_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0598
_diffrn_reflns_av_sigmaI/netI    0.0481
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            20061
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.9874
_exptl_absorpt_correction_T_min  0.9847
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.058
_refine_ls_extinction_coef       0.018(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         4351
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0745
_refine_ls_R_factor_gt           0.0561
_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^)+(0.0760P)^2^+0.1480P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1299
_refine_ls_wR_factor_ref         0.1417
_reflns_number_gt                3435
_reflns_number_total             4351
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc00471c21.cif
_cod_data_source_block           shelxl
_cod_original_cell_volume        2474.1(9)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7116819