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_4035786
_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         'C34 H30 N2 O'
_chemical_formula_sum            'C34 H30 N2 O'
_chemical_formula_weight         482.60
_space_group_crystal_system      orthorhombic
_space_group_IT_number           56
_space_group_name_Hall           '-P 2ab 2ac'
_space_group_name_H-M_alt        'P c c n'
_atom_sites_solution_hydrogens   geom
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_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
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_cell_length_b                   19.7338(16)
_cell_length_c                   30.808(3)
_cell_measurement_reflns_used    9981
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.43
_cell_measurement_theta_min      2.43
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_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0894
_diffrn_reflns_av_unetI/netI     0.0671
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_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -36
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_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        24.712
_diffrn_reflns_theta_max         24.712
_diffrn_reflns_theta_min         1.322
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.981
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.130
_exptl_crystal_description       block
_exptl_crystal_F_000             4096
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.361
_refine_diff_density_rms         0.106
_refine_ls_extinction_coef       0.0040(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     674
_refine_ls_number_reflns         9655
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.1303
_refine_ls_R_factor_gt           0.0696
_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^)+(0.1215P)^2^+2.8836P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1813
_refine_ls_wR_factor_ref         0.2203
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5721
_reflns_number_total             9655
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b00196_si_002.cif
_cod_data_source_block           6f
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_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.979
_shelx_estimated_absorpt_t_max   0.987
_shelx_res_checksum              14553
_shelx_hkl_checksum              18610
_shelx_fab_checksum              421