Dicationic Palladium(II) Complexes as Active Lewis Acid Catalysts for Polarized Nazarov Cyclization
Zhang, Jing; Vaidya, Tulaza; Brennessel, William W.; Frontier, Alison J.; Eisenberg, Richard; Organometallics 29 (2010) 3341–; doi:10.1021/om100274g

data_4066076
_publ_section_title
;
 Dicationic Palladium(II) Complexes as Active Lewis Acid Catalysts for
 Polarized Nazarov Cyclization
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              3341
_journal_paper_doi               10.1021/om100274g
_journal_volume                  29
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C36 H38 Cl2 N2 O2 P2 Pd, 4(C H2 Cl2)'
_chemical_formula_sum            'C40 H46 Cl10 N2 O2 P2 Pd'
_chemical_formula_weight         1109.63
_chemical_name_common            eisjz03
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            12
_cell_length_a                   19.357(3)
_cell_length_b                   22.915(3)
_cell_length_c                   31.461(4)
_cell_measurement_reflns_used    3737
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      32.94
_cell_measurement_theta_min      2.74
_cell_volume                     13955(3)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.1012
_diffrn_reflns_av_sigmaI/netI    0.1001
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       47
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            202837
_diffrn_reflns_theta_full        33.14
_diffrn_reflns_theta_max         33.14
_diffrn_reflns_theta_min         1.52
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.079
_exptl_absorpt_correction_T_max  0.8131
_exptl_absorpt_correction_T_min  0.7817
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.584
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             6744
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         4.011
_refine_diff_density_min         -1.487
_refine_diff_density_rms         0.167
_refine_ls_abs_structure_details
'Flack H D (1983), 24786 Friedel pairs, Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1540
_refine_ls_number_reflns         52835
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.1179
_refine_ls_R_factor_gt           0.0697
_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^)+(0.0637P)^2^+40.8271P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1517
_refine_ls_wR_factor_ref         0.1764
_reflns_number_gt                35381
_reflns_number_total             52835
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100274g_si_001.cif
_cod_data_source_block           2
_cod_database_code               4066076