Accessing a Biologically Relevant Benzofuran Skeleton by a One-Pot Tandem Heck Alkynylation/Cyclization Reaction Using Well-Defined Palladium N-Heterocyclic Carbene Complexes.
Kumar, Anuj; Gangwar, Manoj Kumar; Prakasham, A. P.; Mhatre, Darshan; Kalita, Alok Ch; Ghosh, Prasenjit; Inorganic chemistry 55 (2016) 2882–2893; doi:10.1021/acs.inorgchem.5b02727

data_4347106
_publ_section_title
;
 Accessing a Biologically Relevant Benzofuran Skeleton by a One-Pot Tandem
 Heck Alkynylation/Cyclization Reaction Using Well-Defined Palladium
 N-Heterocyclic Carbene Complexes.
;
_journal_issue                   6
_journal_name_full               'Inorganic chemistry'
_journal_page_first              2882
_journal_page_last               2893
_journal_paper_doi               10.1021/acs.inorgchem.5b02727
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C48 H50 Br4 N6 P2 Pd2'
_chemical_formula_sum            'C48 H50 Br4 N6 P2 Pd2'
_chemical_formula_weight         1305.32
_space_group_IT_number           41
_space_group_name_Hall           'A 2 -2ab'
_space_group_name_H-M_alt        'A e a 2'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'A 2 -2ab'
_symmetry_space_group_name_H-M   'A e a 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.937(2)
_cell_length_b                   25.291(3)
_cell_length_c                   13.2153(18)
_cell_measurement_reflns_used    5197
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      2.0
_cell_volume                     5995.1(13)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_publication_material  'CrystalStructure 4.0'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1985)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Saturn724+'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0279
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            22137
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    3.352
_exptl_absorpt_correction_T_max  0.5537
_exptl_absorpt_correction_T_min  0.5537
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.446
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2568
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_platon_squeeze_details
;
;
_refine_diff_density_max         0.298
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.176(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         5089
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0201
_refine_ls_R_factor_gt           0.0200
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0275P)^2^+8.3926P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0501
_refine_ls_wR_factor_ref         0.0502
_reflns_number_gt                5065
_reflns_number_total             5089
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b02727_si_002.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_Hall     'A 2 -2ac'
_cod_original_sg_symbol_H-M      'A b a 2'
_cod_database_code               4347106