Ni(I)-Ni(III) Cycle in Buchwald-Hartwig Amination of Aryl Bromide Mediated by NHC-ligated Ni(I) Complexes
Inatomi, Takahiro; Fukahori, Yukino; Yamada, Yuji; Ishikawa, Ryuta; Kanegawa, Shinji; Koga, Yuji; Matsubara, Kouki; Catalysis Science & Technology  (2019) –; doi:10.1039/C8CY02427H

data_1550592
_publ_section_title
;
 Ni(I)-Ni(III) Cycle in Buchwald-Hartwig Amination of Aryl Bromide
 Mediated by NHC-ligated Ni(I) Complexes
;
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_paper_doi               10.1039/C8CY02427H
_journal_year                    2019
_chemical_formula_moiety         '2(C45 H48 Br N4 Ni), C4 H8 O'
_chemical_formula_sum            'C94 H104 Br2 N8 Ni2 O'
_chemical_formula_weight         1639.03
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2018-11-09 deposited with the CCDC.    2019-02-13 downloaded from the CCDC.
;
_cell_angle_alpha                77.400(6)
_cell_angle_beta                 84.597(6)
_cell_angle_gamma                86.947(8)
_cell_formula_units_Z            2
_cell_length_a                   12.620(3)
_cell_length_b                   16.578(3)
_cell_length_c                   20.317(4)
_cell_measurement_reflns_used    11818
_cell_measurement_temperature    110
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      3.03
_cell_volume                     4127.5(15)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      110
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0533
_diffrn_reflns_Laue_measured_fraction_full 0.000
_diffrn_reflns_Laue_measured_fraction_max 0.000
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            64945
_diffrn_reflns_point_group_measured_fraction_full 0.000
_diffrn_reflns_point_group_measured_fraction_max 0.000
_diffrn_reflns_theta_full        27.520
_diffrn_reflns_theta_max         27.520
_diffrn_reflns_theta_min         3.026
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.477
_exptl_absorpt_correction_T_max  0.801
_exptl_absorpt_correction_T_min  0.592
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1716.00
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.47
_refine_diff_density_min         -0.53
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     1018
_refine_ls_number_reflns         18890
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0369P)^2^+2.4181P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0998
_refine_ls_wR_factor_ref         0.1056
_reflns_number_gt                15939
_reflns_number_total             19027
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c8cy02427h2.cif
_cod_data_source_block           5
_cod_database_code               1550592