CeIII-promoted oxidation. Efficient aerobic one-pot eco-friendly synthesis of oxidized bis(indol-3-yl)methanes and cyclic tetra(indolyl)dimethanes
Silveira, Claudio C.; Mendes, Samuel R.; Villetti, Marcos A.; Back, Davi F.; Kaufman, Teodoro S.; Green Chemistry 14 (2012) 2912–; doi:10.1039/c2gc36131k

data_7215076
_publ_section_title
;
 CeIII-promoted oxidation. Efficient aerobic one-pot eco-friendly
 synthesis of oxidized bis(indol-3-yl)methanes and cyclic
 tetra(indolyl)dimethanes
;
_journal_issue                   10
_journal_name_full               'Green Chemistry'
_journal_page_first              2912
_journal_paper_doi               10.1039/c2gc36131k
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C23 H21 Cl N2 O2'
_chemical_formula_sum            'C23 H21 Cl N2 O2'
_chemical_formula_weight         392.87
_chemical_melting_point          ?
_chemical_name_common            3-[(1H-indol-3-yl)(phenyl)methylene]-3H-indol
_chemical_name_systematic
;
3-[(1H-indol-3-yl)(phenyl)methylene]-3H-indole
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2012-04-19T13:00:11-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 94.4630(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.9856(3)
_cell_length_b                   18.2571(3)
_cell_length_c                   9.0361(2)
_cell_measurement_reflns_used    5705
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.6345
_cell_measurement_theta_min      2.9435
_cell_volume                     1971.30(7)
_computing_cell_refinement       'BRUKER SANT'
_computing_data_collection       'BRUKER APEX-II'
_computing_data_reduction        'BRUKER SOFTWARE'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'X8 APEX II'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0191
_diffrn_reflns_av_unetI/netI     0.013
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            16042
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         2.23
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.215
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6999
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   XPREP
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.332
_exptl_crystal_size_mid          0.198
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         2343
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0632
_refine_ls_R_factor_gt           0.0528
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
calc w=1/[\s^2^(Fo^2^)+(0.0978P)^2^+1.0610P] where
P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.157
_refine_ls_wR_factor_ref         0.1681
_reflns_number_gt                1910
_reflns_number_total             2343
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2gc36131k.txt
_cod_data_source_block           c2c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'none' was changed to '?' - the value
is undefined or not given.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_Hall     -C2yc
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7215076