Asymmetric Substitution at the Tetrasubstituted Chiral Carbon: Catalytic Ring-Opening Alkylation of Racemic 2,2-Disubstituted Aziridines with 3-Substituted Oxindoles
Kohsuke Ohmatsu; Yuichiro Ando; Takashi Ooi; Journal of the American Chemical Society 135 (2013) 18706–18709; doi:10.1021/ja411647x

data_4121368
_publ_section_title
;
 Asymmetric Substitution at the Tetrasubstituted Chiral Carbon: Catalytic
 Ring-Opening Alkylation of Racemic 2,2-Disubstituted Aziridines with
 3-Substituted Oxindoles
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              18706
_journal_page_last               18709
_journal_paper_doi               10.1021/ja411647x
_journal_volume                  135
_journal_year                    2013
_chemical_absolute_configuration R
_chemical_formula_sum            'C22 H23 N O2 S'
_chemical_formula_weight         365.47
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_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            8
_cell_length_a                   7.9259(11)
_cell_length_b                   7.9259(11)
_cell_length_c                   60.915(18)
_cell_measurement_reflns_used    9201
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.19
_cell_measurement_theta_min      2.59
_cell_volume                     3826.7(14)
_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      123(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0557
_diffrn_reflns_av_sigmaI/netI    0.0403
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       80
_diffrn_reflns_limit_l_min       -80
_diffrn_reflns_number            27207
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         2.59
_exptl_absorpt_coefficient_mu    0.185
_exptl_absorpt_correction_T_max  0.9908
_exptl_absorpt_correction_T_min  0.9640
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.269
_exptl_crystal_description       block
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.666
_refine_diff_density_min         -0.482
_refine_diff_density_rms         0.098
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.334
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         4742
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.334
_refine_ls_R_factor_all          0.1136
_refine_ls_R_factor_gt           0.1119
_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^)+(0.0419P)^2^+13.8840P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2340
_refine_ls_wR_factor_ref         0.2349
_reflns_number_gt                4631
_reflns_number_total             4742
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja411647x_si_003.cif
_cod_data_source_block           3304and
_cod_original_cell_volume        3826.7(13)
_cod_database_code               4121368