Probing Catalyst Speciation in Pd-MPAAM-Catalyzed Enantioselective C(sp3)‒H Arylation: Catalyst Improvement via Destabilization of Off-Cycle Species
Hao, Wei; Bay, Katherine L.; Harris, Caleb F.; King, Daniel S.; Guzei, Ilia A.; Aristov, Michael M.; Zhuang, Zhe; Plata, R. Erik; Hill, David E.; Houk, K. N.; Berry, John F.; Yu, Jin-Quan; Blackmond, Donna G.; ACS Catalysis  (2021) 11040–11048; doi:10.1021/acscatal.1c02805

data_4518967
_publ_section_title
;
 Probing Catalyst Speciation in Pd-MPAAM-Catalyzed Enantioselective
 C(sp3)--H Arylation: Catalyst Improvement via Destabilization of
 Off-Cycle Species
;
_journal_name_full               'ACS Catalysis'
_journal_page_first              11040
_journal_page_last               11048
_journal_paper_doi               10.1021/acscatal.1c02805
_journal_year                    2021
_chemical_formula_moiety         'C24 H32 N2 O2 Pd S2'
_chemical_formula_sum            'C24 H32 N2 O2 Pd S2'
_chemical_formula_weight         551.03
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-09-28
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.727(8)
_cell_length_b                   13.248(9)
_cell_length_c                   16.141(11)
_cell_measurement_reflns_used    7869
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.263
_cell_measurement_theta_min      2.750
_cell_volume                     2294(3)
_computing_cell_refinement       'SAINT+ Ver. 2018.1-0. (Bruker-AXS, 2018)'
_computing_data_collection       'APEX3 Ver. 2018.1-0. (Bruker-AXS, 2018)'
_computing_data_reduction        'SAINT+ Ver. 2018.1-0. (Bruker-AXS, 2018)'
_computing_molecular_graphics    'OLEX2 (Dolomanov et al., 2009)'
_computing_publication_material  'OLEX2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2015b)'
_computing_structure_solution    'XT (Sheldrick, 2015a)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'charge-coupled device (CCD) area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'Bruker APEX II'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II Quazar'
_diffrn_measurement_method       '0.5\ \w and 0.5\ \f scans'
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_detector       'Bruker APEX II'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0219
_diffrn_reflns_av_unetI/netI     0.0141
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            17519
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.979
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         28.286
_diffrn_reflns_theta_min         2.524
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.016
_exptl_absorpt_correction_T_max  0.9010
_exptl_absorpt_correction_T_min  0.8746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0955 before and 0.0353 after correction. The Ratio of minimum to maximum transmission is 0.9707. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.596
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.133
_exptl_crystal_size_mid          0.096
_exptl_crystal_size_min          0.094
_refine_diff_density_max         0.448
_refine_diff_density_min         -0.404
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     144
_refine_ls_number_reflns         2792
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0215
_refine_ls_R_factor_gt           0.0179
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0214P)^2^+1.5383P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0459
_refine_ls_wR_factor_ref         0.0478
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2450
_reflns_number_total             2792
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs1c02805_si_004.cif
_cod_data_source_block           berry874
_cod_database_code               4518967
_shelx_shelxl_version_number     2018/1
_shelx_estimated_absorpt_t_max   0.911
_shelx_estimated_absorpt_t_min   0.877
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C3(H3)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C6(H6A,H6B)
2.c Aromatic/amide H refined with riding coordinates:
 C8(H8), C9(H9), C10(H10), C11(H11), C12(H12)
2.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C5(H5A,H5B,H5C)
;
_shelx_res_checksum              25194
_shelx_hkl_checksum              56127
_olex2_submission_special_instructions 'No special instructions were received'