Selective Synthesis of 3-(9 H-Carbazol-2-yl)indolin-2-ones and Spiro[tetrahydrocarbazole-3,3'-oxindoles] via a HOTf Catalyzed Three-Component Reaction.
Yang, Ren-Yin; Sun, Jing; Sun, Qiu; Yan, Chao-Guo; The Journal of organic chemistry 83 (2018) 5909–5919; doi:10.1021/acs.joc.8b00196

data_4035787
_publ_section_title
;
 Selective Synthesis of 3-(9 H-Carbazol-2-yl)indolin-2-ones and
 Spiro[tetrahydrocarbazole-3,3'-oxindoles] via a HOTf Catalyzed
 Three-Component Reaction.
;
_journal_issue                   11
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5909
_journal_page_last               5919
_journal_paper_doi               10.1021/acs.joc.8b00196
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C33 H27 Cl N2 O'
_chemical_formula_sum            'C33 H27 Cl N2 O'
_chemical_formula_weight         503.01
_space_group_crystal_system      tetragonal
_space_group_IT_number           82
_space_group_name_Hall           'I -4'
_space_group_name_H-M_alt        'I -4'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.7225(7)
_cell_length_b                   19.7225(7)
_cell_length_c                   15.4255(6)
_cell_measurement_reflns_used    9946
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.27
_cell_measurement_theta_min      2.64
_cell_volume                     6000.2(4)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0412
_diffrn_reflns_av_unetI/netI     0.0428
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            31399
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.526
_diffrn_reflns_theta_min         2.641
_exptl_absorpt_coefficient_mu    0.153
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.961
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.114
_exptl_crystal_description       block
_exptl_crystal_F_000             2112
_exptl_crystal_size_max          0.260
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.149
_refine_diff_density_min         -0.200
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details
;
 Flack x determined using 1795 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.02(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     336
_refine_ls_number_reflns         6885
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0824
_refine_ls_R_factor_gt           0.0516
_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^)+(0.0788P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1218
_refine_ls_wR_factor_ref         0.1351
_reflns_Friedel_coverage         0.924
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                4811
_reflns_number_total             6885
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b00196_si_002.cif
_cod_data_source_block           6k
_cod_original_cell_volume        6000.2(5)
_cod_database_code               4035787
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.961
_shelx_estimated_absorpt_t_max   0.970
_shelx_res_checksum              62890
_shelx_hkl_checksum              49557
_shelx_fab_checksum              7292