Extending the Range of Neutral N-Donor Ligands Available for Metal Catalysts: N-[1-Alkylpyridin-4(1H)-ylidene]amides in Palladium-Catalyzed Cross-Coupling Reactions
Peter D. W. Boyd; L. James Wright; M. Naveed Zafar; Inorganic Chemistry 50 (2011) 10522–10524; doi:10.1021/ic201527s

data_4326701
_publ_section_title
;
 Extending the Range of Neutral N-Donor Ligands Available for Metal
 Catalysts: N-[1-Alkylpyridin-4(1H)-ylidene]amides in Palladium-Catalyzed
 Cross-Coupling Reactions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10522
_journal_page_last               10524
_journal_paper_doi               10.1021/ic201527s
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C18 H16 Cl N3 O'
_chemical_formula_weight         325.79
_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                90.000
_cell_angle_beta                 94.192(5)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   8.328(5)
_cell_length_b                   9.201(5)
_cell_length_c                   20.847(5)
_cell_measurement_reflns_used    3395
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.96
_cell_measurement_theta_min      1.96
_cell_volume                     1593.1(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Siemens SMART APEX2 CCD'
_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  0.0623
_diffrn_reflns_av_sigmaI/netI    0.0475
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            20080
_diffrn_reflns_theta_full        27.96
_diffrn_reflns_theta_max         27.96
_diffrn_reflns_theta_min         1.96
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.248
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.796
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_description       block
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.195
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3822
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0600
_refine_ls_R_factor_gt           0.0389
_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^)+(0.0378P)^2^+0.5645P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0868
_refine_ls_wR_factor_ref         0.0958
_reflns_number_gt                2866
_reflns_number_total             3822
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201527s_si_002_3.cif
_cod_data_source_block           shelxl
_cod_database_code               4326701