One-Pot Asymmetric Synthesis of Seven-Membered Carbocycles Cyclohepta[b]indoles via a Sequential Organocatalytic Michael/Double Friedel-Crafts Alkylation Reaction.
Dange, Nitin S.; Hong, Bor-Cherng; Lee, Chih-Ching; Lee, Gene-Hsiang; Organic letters 15 (2013) 3914–3917; doi:10.1021/ol4016749

data_1512207
_publ_section_title
;
 One-Pot Asymmetric Synthesis of Seven-Membered Carbocycles
 Cyclohepta[b]indoles via a Sequential Organocatalytic Michael/Double
 Friedel-Crafts Alkylation Reaction.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3914
_journal_page_last               3917
_journal_paper_doi               10.1021/ol4016749
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C33.5 H30 Br Cl N4'
_chemical_formula_weight         603.97
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 118.2977(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.5096(14)
_cell_length_b                   12.7187(7)
_cell_length_c                   21.1911(12)
_cell_measurement_reflns_used    2332
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      20.94
_cell_measurement_theta_min      2.50
_cell_volume                     5816.5(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER SMART APEXCCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0632
_diffrn_reflns_av_sigmaI/netI    0.0697
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            18705
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    1.535
_exptl_absorpt_correction_T_max  0.7804
_exptl_absorpt_correction_T_min  0.6732
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.379
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2488
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.724
_refine_diff_density_min         -0.748
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         6680
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.1058
_refine_ls_R_factor_gt           0.0741
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0786P)^2^+20.8742P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1724
_refine_ls_wR_factor_ref         0.1905
_reflns_number_gt                4689
_reflns_number_total             6680
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol4016749_si_004.cif
_cod_data_source_block           ic16002_invert
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not_measured' 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_H-M      C2/c
_cod_original_formula_sum        'C33.50 H30 Br Cl N4'
_cod_database_code               1512207