Divergent reactions of indoles with aminobenzaldehydes: indole ring-opening vs. annulation and facile synthesis of neocryptolepine
Vecchione, Matthew K.; Sun, Aaron X.; Seidel, Daniel; Chemical Science 2 (2011) 2178–; doi:10.1039/c1sc00506e

data_1515571
_publ_section_title
;
 Divergent reactions of indoles with aminobenzaldehydes: indole
 ring-opening vs. annulation and facile synthesis of neocryptolepine
;
_journal_issue                   11
_journal_name_full               'Chemical Science'
_journal_page_first              2178
_journal_paper_doi               10.1039/c1sc00506e
_journal_volume                  2
_journal_year                    2011
_chemical_formula_moiety         'C16 H12 Br2 N2'
_chemical_formula_sum            'C16 H12 Br2 N2'
_chemical_formula_weight         392.10
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 116.348(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3993(12)
_cell_length_b                   20.292(2)
_cell_length_c                   6.8679(7)
_cell_measurement_reflns_used    5433
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.44
_cell_measurement_theta_min      2.23
_cell_volume                     1423.6(3)
_computing_cell_refinement       'Bruker SMART'
_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      100(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_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0253
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8280
_diffrn_reflns_theta_full        30.58
_diffrn_reflns_theta_max         30.58
_diffrn_reflns_theta_min         2.01
_exptl_absorpt_coefficient_mu    5.684
_exptl_absorpt_correction_T_max  0.865
_exptl_absorpt_correction_T_min  0.671
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SAINT (SADABS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.829
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.622
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.006(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.881
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         4192
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.881
_refine_ls_R_factor_all          0.0304
_refine_ls_R_factor_gt           0.0260
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0517
_refine_ls_wR_factor_ref         0.0530
_reflns_number_gt                3845
_reflns_number_total             4192
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1sc00506e.txt
_cod_data_source_block           mv507
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               1515571