Alkali-metal mediated reactivity of a diaminobromoborane: mono- and bis-borylation of naphthalene versus boryl lithium or hydroborane formation
Sarah Robinson; Jonathan McMaster; William Lewis; Alexander J. Blake; Stephen T. Liddle; Chem.Commun. 48 (2012) 5769–; doi:10.1039/c2cc31758c

data_7107783
_publ_section_title
;
 Alkali-metal mediated reactivity of a diaminobromoborane: mono- and
 bis-borylation of naphthalene versus boryl lithium or hydroborane
 formation
;
_journal_name_full               Chem.Commun.
_journal_page_first              5769
_journal_paper_doi               10.1039/c2cc31758c
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C44 H66 B Li N2 O2'
_chemical_formula_sum            'C44 H66 B Li N2 O2'
_chemical_formula_weight         672.74
_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, Me from difmap'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.7790(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3828(7)
_cell_length_b                   23.8027(17)
_cell_length_c                   17.1319(12)
_cell_measurement_reflns_used    9424
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      2.37
_cell_volume                     4231.9(5)
_computing_cell_refinement       'Bruker SAINT version 6.36A (Bruker, 2002)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; SHELXTL (Sheldrick, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'enCIFer(Allen et al.,2004);PLATON(Spek,2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0350
_diffrn_reflns_av_sigmaI/netI    0.0434
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            25786
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.65
_diffrn_reflns_theta_min         2.26
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.561
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2'
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.056
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.513
_refine_diff_density_min         -0.237
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     463
_refine_ls_number_reflns         9597
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0874
_refine_ls_R_factor_gt           0.0639
_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^)+(0.0523P)^2^+2.6250P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1445
_refine_ls_wR_factor_ref         0.1555
_reflns_number_gt                7293
_reflns_number_total             9597
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c2cc31758c.txt
_cod_data_source_block           BSRNCJ
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7107783