Stereoselective geminal difunctionalization of vinyl arenes mediated by the bromonium ion
Pandur Venkatesan Balaji; Srinivasan Chandrasekaran; Chem.Commun. 50 (2013) 70–; doi:10.1039/c3cc46003g

data_7110144
_publ_section_title
;
 Stereoselective geminal difunctionalization of vinyl arenes mediated by
 the bromonium ion
;
_journal_name_full               Chem.Commun.
_journal_page_first              70
_journal_paper_doi               10.1039/c3cc46003g
_journal_volume                  50
_journal_year                    2013
_chemical_absolute_configuration syn
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C18 H21 N O3 S'
_chemical_formula_sum            'C18 H21 N O3 S'
_chemical_formula_weight         331.43
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 102.072(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.4739(8)
_cell_length_b                   9.911(1)
_cell_length_c                   11.8150(12)
_cell_measurement_reflns_used    6034
_cell_measurement_temperature    295(1)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.8
_cell_volume                     855.83(15)
_computing_cell_refinement       Apex2
_computing_data_collection       'Bruker kappa Apex2'
_computing_data_reduction        SAINT32
_computing_molecular_graphics
'Ortep-3 (Farrugia, 1997) and CAMERON (Watkin et al., 1993)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97  (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(1)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Smart apex2 CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0243
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6034
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.203
_exptl_absorpt_correction_T_max  0.9605
_exptl_absorpt_correction_T_min  0.9416
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Apex2 (Bruker)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.29
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             352.0
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.168
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.156
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         2950
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.155
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0388P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0928
_refine_ls_wR_factor_ref         0.0979
_reflns_number_gt                2631
_reflns_number_total             2950
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc46003g.txt
_cod_data_source_block           vbb86
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7110144