Mechanisms of Catalyst Poisoning in Palladium-Catalyzed Cyanation of Haloarenes. Remarkably Facile C-N Bond Activation in the [(Ph3P)4Pd]/[Bu4N]+CN-System
Stefan Erhardt; Vladimir V. Grushin; Alison H. Kilpatrick; Stuart A. Macgregor; William J. Marshall; D. Christopher Roe; Journal of the American Chemical Society 130 (2008) 4828–4845; doi:10.1021/ja078298h

data_4107653
_publ_section_title
;
 Mechanisms of Catalyst Poisoning in Palladium-Catalyzed Cyanation of
 Haloarenes. Remarkably Facile C-N Bond Activation in the
 [(Ph3P)4Pd]/[Bu4N]+CN-System
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4828
_journal_page_last               4845
_journal_paper_doi               10.1021/ja078298h
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C9 H20 N2'
_chemical_formula_weight         156.27
_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                 123.980(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   12.025(3)
_cell_length_b                   20.710(4)
_cell_length_c                   14.224(3)
_cell_measurement_temperature    293(2)
_cell_volume                     2937.4(12)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0636
_diffrn_reflns_av_sigmaI/netI    0.0426
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            35142
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.060
_exptl_crystal_description       ireg.blok
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.320
_exptl_crystal_size_min          0.270
_refine_diff_density_max         0.679
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.0038(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         5992
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0940
_refine_ls_R_factor_gt           0.0622
_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^)+(0.0968P)^2^+0.9798P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1677
_refine_ls_wR_factor_ref         0.1945
_reflns_number_gt                4025
_reflns_number_total             5992
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja078298h-file001_3.cif
_cod_data_source_block           07074
_cod_original_cell_volume        2937.4(11)
_cod_original_sg_symbol_H-M      'P 1 21/n 1'
_cod_database_code               4107653