Stereoselective [3+2] cycloaddition of N-tert-butanesulfinyl imines to arynes facilitated by a removable PhSO2CF2 group: synthesis and transformation of cyclic sulfoximines
Wenchao Ye; Laijun Zhang; Chuanfa Ni; Jian Rong; Jinbo Hu; Chem.Commun. 50 (2014) 10596–; doi:10.1039/C4cc05042H

data_7115586
_publ_section_title
;
 Stereoselective [3+2] cycloaddition of N-tert-butanesulfinyl imines to
 arynes facilitated by a removable PhSO2CF2 group: synthesis and
 transformation of cyclic sulfoximines
;
_journal_name_full               Chem.Commun.
_journal_page_first              10596
_journal_paper_doi               10.1039/C4cc05042H
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C18 H18 Br F2 N O3 S2'
_chemical_formula_weight         478.36
_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            16
_cell_length_a                   18.0666(13)
_cell_length_b                   21.1169(15)
_cell_length_c                   22.2584(15)
_cell_measurement_reflns_used    3351
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      33.932
_cell_measurement_theta_min      4.468
_cell_volume                     8491.8(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.1112
_diffrn_reflns_av_sigmaI/netI    0.2609
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            50613
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    2.167
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7339
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.497
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             3872
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.365
_exptl_crystal_size_min          0.123
_refine_diff_density_max         0.535
_refine_diff_density_min         -0.487
_refine_diff_density_rms         0.079
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.026(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.864
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     970
_refine_ls_number_reflns         18491
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.864
_refine_ls_R_factor_all          0.2145
_refine_ls_R_factor_gt           0.0515
_refine_ls_shift/su_max          0.030
_refine_ls_shift/su_mean         0.042
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
; calc 
 [0.00000+1.00000exp(3.00(sin\q/\l)^2^)]/ 
   [\s^2^(Fo^2^)+0.0000+0.0000*P+(0.0381P)^2^+0.0000sin\q/\l] 
 where P = 0.33333Fo^2^ + 0.66667Fc^2^ 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0997
_refine_ls_wR_factor_ref         0.1397
_reflns_number_gt                7866
_reflns_number_total             18491
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc05042h2.cif
_cod_data_source_block           cd28421
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7115586