From acetone metalation to the catalytic alpha-arylation of acyclic ketones with NHC-nickel(II) complexes
Mickael Henrion; Michael J. Chetcuti; Vincent Ritleng; Chem.Commun. 50 (2014) 4624–; doi:10.1039/C4CC00959b

data_7112496
_publ_section_title
;
 From acetone metalation to the catalytic alpha-arylation of acyclic
 ketones with NHC-nickel(II) complexes
;
_journal_name_full               Chem.Commun.
_journal_page_first              4624
_journal_paper_doi               10.1039/C4CC00959b
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C32 H34 N2 Ni'
_chemical_formula_sum            'C32 H34 N2 Ni'
_chemical_formula_weight         505.32
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 104.982(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.3657(16)
_cell_length_b                   8.2297(7)
_cell_length_c                   15.7213(12)
_cell_measurement_reflns_used    4798
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.58
_cell_measurement_theta_min      2.61
_cell_volume                     2670.4(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      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0410
_diffrn_reflns_av_sigmaI/netI    0.0606
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19927
_diffrn_reflns_theta_full        29.07
_diffrn_reflns_theta_max         29.07
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.749
_exptl_absorpt_correction_T_max  0.8960
_exptl_absorpt_correction_T_min  0.8177
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.525
_refine_diff_density_min         -0.742
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     322
_refine_ls_number_reflns         7109
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0900
_refine_ls_R_factor_gt           0.0432
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0435P)^2^+1.4123P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0941
_refine_ls_wR_factor_ref         0.1136
_reflns_number_gt                4526
_reflns_number_total             7109
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c4cc00959b2.cif
_cod_data_source_block           mcmh130911
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7112496