An Approach to the Stereoselective Synthesis of Enantiopure Dihydropyrroles and Aziridines from a Common Sulfinyl-Sulfinamide Intermediate
Alma Viso; Roberto Fernández de la Pradilla; Mercedes Ureña; Robert H. Bates; Miguel A. del Águila; Ignacio Colomer; Journal of Organic Chemistry 77 (2012) 525–542; doi:10.1021/jo202144k

data_4026869
_publ_section_title
;
 An Approach to the Stereoselective Synthesis of Enantiopure
 Dihydropyrroles and Aziridines from a Common Sulfinyl-Sulfinamide
 Intermediate
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              525
_journal_page_last               542
_journal_paper_doi               10.1021/jo202144k
_journal_volume                  77
_journal_year                    2012
_chemical_formula_sum            'C27 H23 Br N2 O3 S2'
_chemical_formula_weight         567.50
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5539(2)
_cell_length_b                   11.8301(2)
_cell_length_c                   22.8098(6)
_cell_measurement_temperature    100(2)
_cell_volume                     2578.05(10)
_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 0.993
_diffrn_measured_fraction_theta_max 0.993
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0231
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            25543
_diffrn_reflns_theta_full        71.76
_diffrn_reflns_theta_max         71.76
_diffrn_reflns_theta_min         3.88
_exptl_absorpt_coefficient_mu    3.947
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_density_meas      0
_exptl_crystal_description       prism
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.456
_refine_diff_density_min         -0.265
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.015(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     408
_refine_ls_number_reflns         4955
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0238
_refine_ls_R_factor_gt           0.0235
_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^)+(0.0395P)^2^+0.4579P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0592
_refine_ls_wR_factor_ref         0.0595
_reflns_number_gt                4902
_reflns_number_total             4955
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202144k_si_002.cif
_cod_data_source_block           datos_m
_cod_database_code               4026869