Mechanistic Studies of Copper-Catalyzed Asymmetric Hydroboration of Alkenes.
Xi, Yumeng; Hartwig, John F.; Journal of the American Chemical Society 139 (2017) 12758–12772; doi:10.1021/jacs.7b07124

data_4131587
_publ_section_title
;
 Mechanistic Studies of Copper-Catalyzed Asymmetric Hydroboration of
 Alkenes.
;
_journal_issue                   36
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12758
_journal_page_last               12772
_journal_paper_doi               10.1021/jacs.7b07124
_journal_volume                  139
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_sum            'C74 H104 B Cu O8 P2'
_chemical_formula_weight         1257.86
_chemical_name_systematic        16
_space_group.centring_type       primitive
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.5026(11)
_cell_length_b                   26.0918(16)
_cell_length_c                   35.420(2)
_cell_measurement_reflns_used    8991
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.22
_cell_measurement_theta_min      2.83
_cell_volume                     18023.7(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  SHELXL-2014
_computing_structure_solution    SHELXT-2014
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0717
_diffrn_reflns_av_unetI/netI     0.0548
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_refln_scan_rate          10
_diffrn_refln_scan_width         2.0
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            232804
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        67.000
_diffrn_reflns_theta_max         68.488
_diffrn_reflns_theta_min         2.103
_diffrn_source                   'microfocus rotating anode'
_exptl_absorpt_coefficient_mu    0.995
_exptl_absorpt_correction_T_max  0.929
_exptl_absorpt_correction_T_min  0.737
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.927
_exptl_crystal_description       prism
_exptl_crystal_F_000             5408
_exptl_crystal_size_max          0.050
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details
; 
 Flack x determined using 11430 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   0.010(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1605
_refine_ls_number_reflns         32838
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0547
_refine_ls_R_factor_gt           0.0458
_refine_ls_shift/su_max          0.025
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0662P)^2^+0.3658P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1175
_refine_ls_wR_factor_ref         0.1229
_reflns_Friedel_coverage         0.861
_reflns_Friedel_fraction_full    0.993
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                28403
_reflns_number_total             32838
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b07124_si_005.cif
_cod_data_source_block           16
_cod_original_cell_volume        18023.9(19)
_cod_database_code               4131587
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.952
_shelx_estimated_absorpt_t_max   0.971
_shelx_res_checksum              89892
_shelx_hkl_checksum              61200
_shelx_fab_checksum              74781