Redox-Neutral Indole Annulation Cascades
Michael C. Haibach; Indubhusan Deb; Chandra Kanta De; Daniel Seidel; Journal of the American Chemical Society 133 (2011) 2100–2103; doi:10.1021/ja110713k

data_4105664
_publ_section_title
;
 Redox-Neutral Indole Annulation Cascades
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2100
_journal_page_last               2103
_journal_paper_doi               10.1021/ja110713k
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C28 H25 N3'
_chemical_formula_weight         403.51
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.0601(9)
_cell_length_b                   19.0376(13)
_cell_length_c                   8.2253(5)
_cell_measurement_reflns_used    8466
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.53
_cell_measurement_theta_min      2.65
_cell_volume                     2045.1(2)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruke Smart APEX 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  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0274
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            13110
_diffrn_reflns_theta_full        30.54
_diffrn_reflns_theta_max         30.54
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  .901
_exptl_absorpt_correction_T_min  .642
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SAINT (SADABS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_description       lathe
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.431
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         3328
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0461
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0700P)^2^+0.4400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1072
_refine_ls_wR_factor_ref         0.1087
_reflns_number_gt                3188
_reflns_number_total             3328
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja110713k_si_004.cif
_cod_data_source_block           mh273
_cod_database_code               4105664