Zinc triflate catalyzed 1,3-indolylation of cyclohexanones: tandem condensation, dehydrogenation and aromatization sequence.
Singh, Himanshu; Tiwari, Rajat; Sharma, Poonam; Kumar, Pramod; Jain, Nidhi; Organic & biomolecular chemistry 18 (2020) 2492–2500; doi:10.1039/d0ob00163e

data_7157378
_publ_section_title
;
 Zinc triflate catalyzed 1,3-indolylation of cyclohexanones: tandem
 condensation, dehydrogenation and aromatization sequence.
;
_journal_issue                   13
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2492
_journal_page_last               2500
_journal_paper_doi               10.1039/d0ob00163e
_journal_volume                  18
_journal_year                    2020
_chemical_formula_sum            'C24 H20 N2'
_chemical_formula_weight         336.42
_chemical_name_common            '1,3-bis Indole'
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2019-05-25 deposited with the CCDC.	2020-03-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.219(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_c                   8.0025(9)
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
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_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_exptl_absorpt_coefficient_mu    0.073
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_description       'Rod Shape'
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_refine_ls_R_factor_all          0.0900
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0837P)^2^+0.1404P] where P=(Fo^2^+2Fc^2^)/3'
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_refine_ls_wR_factor_gt          0.1312
_refine_ls_wR_factor_ref         0.1448
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1054
_reflns_number_total             1562
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ob00163e2.cif
_cod_data_source_block           DD_NA_0m_a
_cod_depositor_comments          'Adding full bibliography for 7157378.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7157378
_shelxl_version_number           2014-3
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