Chelation-assisted and steric-controlled selectivity in the Pd-catalyzed C-H/C-H oxidative coupling of indoles.
Vijaykumar, Muniyappa; Pradhan, Chandini; Gonnade, Rajesh G.; Punji, Benudhar; Chemical communications (Cambridge, England) 60 (2024) 13028–13031; doi:10.1039/d4cc03835e

data_7133856
_publ_section_title
;
 Chelation-assisted and steric-controlled selectivity in the Pd-catalyzed
 C-H/C-H oxidative coupling of indoles.
;
_journal_issue                   89
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              13028
_journal_page_last               13031
_journal_paper_doi               10.1039/d4cc03835e
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C34 H22 N4'
_chemical_formula_sum            'C34 H22 N4'
_chemical_formula_weight         486.55
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   'difference Fourier'
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-06-26 deposited with the CCDC.	2024-10-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.707(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.5223(8)
_cell_length_b                   12.3066(7)
_cell_length_c                   15.2608(10)
_cell_measurement_reflns_used    9919
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.86
_cell_measurement_theta_min      2.32
_cell_volume                     2351.6(3)
_computing_cell_refinement       'SAINT (Bruker, 2016)'
_computing_data_collection       'APEX3 (Bruker, 2016)'
_computing_data_reduction        'SAINT (Bruker, 2016)'
_computing_molecular_graphics    'Bruker SHELXTL, Mercury 2020.20'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Photon II CPAD Area Detector'
_diffrn_detector_area_resol_mean 7.39
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE Kappa Duo PHOTON II CPAD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multilayer mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1027
_diffrn_reflns_av_unetI/netI     0.0612
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            69074
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.040
_diffrn_reflns_theta_min         2.667
_diffrn_source                   'micro-focus sealed tube'
_diffrn_source_type              'Incoatech I\mS HB'
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.5783
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_description       plate
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.432
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         7479
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0955
_refine_ls_R_factor_gt           0.0598
_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^)+(0.0618P)^2^+1.3944P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1332
_refine_ls_wR_factor_ref         0.1519
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5271
_reflns_number_total             7479
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc03835e2.cif
_cod_data_source_block           comp_20
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_primary' value 'direct method' was
changed to 'direct'.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7133856--7133864.cif.
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7133856
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.993
_shelx_estimated_absorpt_t_max   0.995
_shelx_res_checksum              67527
_shelx_hkl_checksum              31085