Iridium-catalyzed regio- and enantioselective allylic alkylation of fluorobis(phenylsulfonyl)methane.
Liu, Wen-Bo; Zheng, Sheng-Cai; He, Hu; Zhao, Xiao-Ming; Dai, Li-Xin; You, Shu-Li; Chemical communications (Cambridge, England)  (2009) 6604–6606; doi:10.1039/b914315g

data_7104977
_publ_section_title
;
 Iridium-catalyzed regio- and enantioselective allylic alkylation of
 fluorobis(phenylsulfonyl)methane.
;
_journal_issue                   43
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              6604
_journal_page_last               6606
_journal_paper_doi               10.1039/b914315g
_journal_year                    2009
_chemical_absolute_configuration ad
_chemical_formula_sum            'C22 H18 Br F O4 S2'
_chemical_formula_weight         509.39
_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                   6.7803(10)
_cell_length_b                   13.3388(18)
_cell_length_c                   23.631(3)
_cell_measurement_reflns_used    2063
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      39.330
_cell_measurement_theta_min      4.605
_cell_volume                     2137.2(5)
_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  0.0871
_diffrn_reflns_av_sigmaI/netI    0.1043
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            12690
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    2.154
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6323
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.583
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.403
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.127
_refine_diff_density_max         0.514
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.017(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.888
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4655
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.888
_refine_ls_R_factor_all          0.0911
_refine_ls_R_factor_gt           0.0526
_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^)+(0.0221P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0809
_refine_ls_wR_factor_ref         0.0912
_reflns_number_gt                2914
_reflns_number_total             4655
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b914315g.txt
_cod_data_source_block           cd28486
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7104977