Enantioselective Synthesis of Dihydro-1H-benzindoles
Gustavo P. Silveira; Joseph P. Marino; Journal of Organic Chemistry 78 (2013) 3379–3383; doi:10.1021/jo302798j

data_4028079
_publ_section_title
;
 Enantioselective Synthesis of Dihydro-1H-benzindoles
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3379
_journal_page_last               3383
_journal_paper_doi               10.1021/jo302798j
_journal_volume                  78
_journal_year                    2013
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C22 H21 Cl2 N O3 S2'
_chemical_formula_sum            'C22 H21 Cl2 N O3 S2'
_chemical_formula_weight         482.42
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2012
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9037(3)
_cell_length_b                   10.0646(3)
_cell_length_c                   24.9129(7)
_cell_measurement_reflns_used    9428
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.38
_cell_measurement_theta_min      2.43
_cell_volume                     2232.50(12)
_computing_cell_refinement       'Bruker SAINT v7.60A'
_computing_data_collection       'Bruker APEX-II v2009-7'
_computing_data_reduction        'Bruker SAINT v7.60A'
_computing_structure_refinement  'SHELXL-2012 (Sheldrick, 2012)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II'
_diffrn_measurement_method       'combination of \w and \f-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  0.0319
_diffrn_reflns_av_unetI/netI     0.0185
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            33661
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.393
_diffrn_reflns_theta_min         1.635
_exptl_absorpt_coefficient_mu    0.502
_exptl_absorpt_correction_T_max  0.9129
_exptl_absorpt_correction_T_min  0.8228
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS, Sheldrick, 2008'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.435
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.512
_exptl_crystal_size_mid          0.318
_exptl_crystal_size_min          0.234
_refine_diff_density_max         0.250
_refine_diff_density_min         -0.272
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details
;
 Flack x determined using 1892 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.003(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         4577
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0213
_refine_ls_R_factor_gt           0.0205
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0280P)^2^+0.5236P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0520
_refine_ls_wR_factor_ref         0.0525
_reflns_Friedel_coverage         0.747
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                4455
_reflns_number_total             4577
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo302798j_si_003.cif
_cod_data_source_block           gspd300a
_cod_database_code               4028079
_shelx_estimated_absorpt_t_min   0.783
_shelx_estimated_absorpt_t_max   0.892
_shelxl_version_number           2012-6