SmI~2~-Promoted Radical Addition Reactions with N-(2-Indolylacyl)oxazolidinones: Synthesis of Bisindole Compounds
Karl B. Lindsay; Francesc Ferrando; Kasper L. Christensen; Jacob Overgaard; Tomàs Roca; M.-Lluïsa Bennasar; Troels Skrydstrup; Journal of Organic Chemistry 72 (2007) 4181–4188; doi:10.1021/jo070273d

data_4022929
_publ_contact_author             'Overgaard, Jacob'
_publ_contact_author_email       jacobo@chem.au.dk
_publ_section_title
;
 SmI~2~-Promoted Radical Addition Reactions with
 N-(2-Indolylacyl)oxazolidinones: Synthesis of Bisindole Compounds
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4181
_journal_page_last               4188
_journal_paper_doi               10.1021/jo070273d
_journal_volume                  72
_journal_year                    2007
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C32 H22 N2 O2'
_chemical_formula_sum            'C32 H22 N2 O2'
_chemical_formula_weight         466.52
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2006-09-11T11:07:21-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 102.619(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.702(4)
_cell_length_b                   15.520(5)
_cell_length_c                   6.3747(18)
_cell_measurement_reflns_used    2571
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.37
_cell_measurement_theta_min      2.62
_cell_measurement_wavelength     0.71073
_cell_volume                     1129.8(6)
_computing_cell_refinement       'Saint+ (Bruker-Nonius, 2006)'
_computing_data_collection       'Apex2 (Bruker-Nonius, 2006)'
_computing_data_reduction        'Saint+ (Bruker-Nonius, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 83.33
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Bruker X8 APEX-II diffractometer'
_diffrn_measurement_method       '\f-scans and \w-scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1016
_diffrn_reflns_av_unetI/netI     0.0892
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            22161
_diffrn_reflns_theta_full        29.5
_diffrn_reflns_theta_max         30.61
_diffrn_reflns_theta_min         3.53
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.378
_refine_diff_density_rms         0.07
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         3356
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1225
_refine_ls_R_factor_gt           0.0635
_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^)+(0.0723P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1332
_refine_ls_wR_factor_ref         0.1528
_reflns_number_gt                2016
_reflns_number_total             3356
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo070273dsi20070208_060052.cif
_cod_data_source_block           test
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4022929