Ni-Catalyzed Reductive Homocoupling of Unactivated Alkyl Bromides at Room Temperature and Its Synthetic Application
Yu Peng; Long Luo; Chang-Song Yan; Jian-Jian Zhang; Ya-Wen Wang; Journal of Organic Chemistry 78 (2013) 10960–10967; doi:10.1021/jo401936v

data_4028731
_publ_section_title
;
 Ni-Catalyzed Reductive Homocoupling of Unactivated Alkyl Bromides at Room
 Temperature and Its Synthetic Application
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              10960
_journal_page_last               10967
_journal_paper_doi               10.1021/jo401936v
_journal_volume                  78
_journal_year                    2013
_chemical_absolute_configuration unk
_chemical_formula_sum            'C38 H62 O4'
_chemical_formula_weight         582.88
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_symmetry_space_group_name_Hall  'P 2 2ab'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.010(17)
_cell_length_b                   18.68(2)
_cell_length_c                   7.224(9)
_cell_measurement_reflns_used    2274
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.36
_cell_measurement_theta_min      2.18
_cell_volume                     1756(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0526
_diffrn_reflns_av_sigmaI/netI    0.0505
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            12795
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.18
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.9870
_exptl_absorpt_correction_T_min  0.9809
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.102
_exptl_crystal_description       block
_exptl_crystal_F_000             644
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.166
_refine_diff_density_min         -0.132
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         3276
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0713
_refine_ls_R_factor_gt           0.0455
_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^)+(0.0486P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0940
_refine_ls_wR_factor_ref         0.1057
_reflns_number_gt                2354
_reflns_number_total             3276
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo401936v_si_002.cif
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