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_4035782
_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         'C42 H34 N2 O'
_chemical_formula_sum            'C42 H34 N2 O'
_chemical_formula_weight         582.71
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_space_group_name_Hall           '-P 1'
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_cell_volume                     1829.2(4)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'CCD area detector'
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_diffrn_reflns_theta_max         25.999
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
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_exptl_crystal_description       block
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1455P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.2594
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3625
_reflns_number_total             7000
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b00196_si_002.cif
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_cod_database_code               4035782
_shelx_shelxl_version_number     2014/7
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_shelx_estimated_absorpt_t_max   0.988
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