Pyridyl-Supported Pyrazolyl-N-Heterocyclic Carbene Ligands and the Catalytic Activity of Their Palladium Complexes in Suzuki-Miyaura Reactions
Fanlong Zeng; Zhengkun Yu; Journal of Organic Chemistry 71 (2006) 5274–5281; doi:10.1021/jo060795d

data_4021803
_publ_section_title
;
 Pyridyl-Supported Pyrazolyl-N-Heterocyclic Carbene Ligands and the
 Catalytic Activity of Their Palladium Complexes in Suzuki-Miyaura Reactions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5274
_journal_page_last               5281
_journal_paper_doi               10.1021/jo060795d
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C20 H27 B Cl F4 N5 Pd'
_chemical_formula_weight         566.13
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                67.405(2)
_cell_angle_beta                 74.981(2)
_cell_angle_gamma                75.348(2)
_cell_formula_units_Z            8
_cell_length_a                   13.5919(14)
_cell_length_b                   19.444(2)
_cell_length_c                   20.692(2)
_cell_measurement_reflns_used    2528
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      38.189
_cell_measurement_theta_min      4.371
_cell_volume                     4803.6(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0919
_diffrn_reflns_av_sigmaI/netI    0.1786
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            25550
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.932
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.82788
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.566
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2288
_exptl_crystal_size_max          0.309
_exptl_crystal_size_mid          0.196
_exptl_crystal_size_min          0.082
_refine_diff_density_max         0.712
_refine_diff_density_min         -0.456
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.880
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1152
_refine_ls_number_reflns         17605
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      0.884
_refine_ls_R_factor_all          0.1714
_refine_ls_R_factor_gt           0.0700
_refine_ls_shift/su_max          0.035
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0574P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1729
_refine_ls_wR_factor_ref         0.1981
_reflns_number_gt                5843
_reflns_number_total             17605
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo060795dsi20060414_122728_2.cif
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4021803