A Structure-Activity Study of Ni-Catalyzed Alkyl-Alkyl Kumada Coupling. Improved Catalysts for Coupling of Secondary Alkyl Halides
Peng Ren; Oleg Vechorkin; Kim von Allmen; Rosario Scopelliti; Xile Hu; Journal of the American Chemical Society 133 (2011) 7084–7095; doi:10.1021/ja200270k

data_4106097
_publ_section_title
;
 A Structure-Activity Study of Ni-Catalyzed Alkyl-Alkyl Kumada Coupling.
 Improved Catalysts for Coupling of Secondary Alkyl Halides
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7084
_journal_page_last               7095
_journal_paper_doi               10.1021/ja200270k
_journal_volume                  133
_journal_year                    2011
_chemical_formula_moiety         'C30 H34 N4 Ni'
_chemical_formula_sum            'C30 H34 N4 Ni'
_chemical_formula_weight         509.32
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_cell_length_c                   8.7468(12)
_cell_measurement_reflns_used    4885
_cell_measurement_temperature    140(2)
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_cell_measurement_theta_min      2.8606
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_computing_cell_refinement
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CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET) 
(compiled Apr 28 2010,14:27:37) 
;
_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET) 
(compiled Apr 28 2010,14:27:37) 
;
_computing_data_reduction
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CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET) 
(compiled Apr 28 2010,14:27:37) 
;
_computing_molecular_graphics    'Bruker SHELXTL'
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_detector_area_resol_mean 8.2812
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Oxford Diffraction, KM4/Sapphire CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
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_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_sigmaI/netI    0.1122
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       15
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_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            18331
_diffrn_reflns_theta_full        26.72
_diffrn_reflns_theta_max         26.72
_diffrn_reflns_theta_min         2.87
_exptl_absorpt_coefficient_mu    0.782
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98420
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET) 
(compiled Apr 28 2010,14:27:37) 
empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.650
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.013(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.906
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         4901
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.906
_refine_ls_R_factor_all          0.0960
_refine_ls_R_factor_gt           0.0486
_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^)+(0.0401P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0815
_refine_ls_wR_factor_ref         0.0916
_reflns_number_gt                3137
_reflns_number_total             4901
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja200270k_si_008.cif
_cod_data_source_block           rp300461
_cod_original_cell_volume        2564.2(6)
_cod_database_code               4106097