Palladium(II)/N-Heterocyclic Carbene Catalyzed One-Pot Sequential α-Arylation/Alkylation: Access to 3,3-Disubstituted Oxindoles.
Reddy Panyam, Pradeep Kumar; Ugale, Bharat; Gandhi, Thirumanavelan; The Journal of organic chemistry 83 (2018) 7622–7632; doi:10.1021/acs.joc.8b00264

data_4035590
_publ_section_title
;
 Palladium(II)/N-Heterocyclic Carbene Catalyzed One-Pot Sequential
 \a-Arylation/Alkylation: Access to 3,3-Disubstituted Oxindoles.
;
_journal_issue                   15
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              7622
_journal_page_last               7632
_journal_paper_doi               10.1021/acs.joc.8b00264
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C41 H48 Br4 N6 Pd2'
_chemical_formula_weight         1157.29
_space_group_crystal_system      orthorhombic
_space_group_IT_number           52
_space_group_name_Hall           '-P 2a 2bc'
_space_group_name_H-M_alt        'P n n a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
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_cell_angle_beta                 90
_cell_angle_gamma                90
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_cell_length_b                   31.169(2)
_cell_length_c                   9.0524(6)
_cell_measurement_reflns_used    1532
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      28.4
_cell_measurement_theta_min      2.3
_cell_volume                     4781.1(6)
_computing_cell_refinement       'APEX2 (Bruker, 2014); SAINT (Bruker, 2014)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014);XPREP(Sheldrick,2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_av_unetI/netI     0.0231
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       41
_diffrn_reflns_limit_k_min       -41
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            122674
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.389
_diffrn_reflns_theta_min         2.343
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    4.128
_exptl_absorpt_correction_T_max  0.7325
_exptl_absorpt_correction_T_min  0.6532
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.608
_exptl_crystal_description       needle
_exptl_crystal_F_000             2272
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.26
_refine_diff_density_max         2.050
_refine_diff_density_min         -1.940
_refine_diff_density_rms         0.140
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.135
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         5991
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.135
_refine_ls_R_factor_all          0.0475
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0568P)^2^+16.1466P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1108
_refine_ls_wR_factor_ref         0.1131
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5651
_reflns_number_total             5991
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b00264_si_003.cif
_cod_data_source_block           compound8a
_cod_database_code               4035590
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              64675
_shelx_hkl_checksum              89768