Bi(OTf)3 Mediated exo-Olefin Isomerization of α-Benzoyl β-Styrylsulfones.
Chang, Meng-Yang; Cheng, Yu-Chieh; Organic letters 17 (2015) 5702–5705; doi:10.1021/acs.orglett.5b03020

data_1540620
_publ_section_title
;
 Bi(OTf)3 Mediated exo-Olefin Isomerization of \a-Benzoyl
 \b-Styrylsulfones.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              5702
_journal_page_last               5705
_journal_paper_doi               10.1021/acs.orglett.5b03020
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C30 H26 O3 S'
_chemical_formula_weight         466.57
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.1272(15)
_cell_length_b                   8.2497(8)
_cell_length_c                   17.7820(16)
_cell_measurement_reflns_used    2752
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.6152
_cell_measurement_theta_min      2.4688
_cell_volume                     2365.8(4)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0585
_diffrn_reflns_av_unetI/netI     0.0464
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19026
_diffrn_reflns_point_group_measured_fraction_full 0.927
_diffrn_reflns_point_group_measured_fraction_max 0.916
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.403
_diffrn_reflns_theta_min         2.291
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.8725
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lump
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 1513 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         4453
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0475
_refine_ls_R_factor_gt           0.0371
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0448P)^2^+0.0135P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0808
_refine_ls_wR_factor_ref         0.0863
_reflns_Friedel_coverage         0.771
_reflns_Friedel_fraction_full    0.849
_reflns_Friedel_fraction_max     0.826
_reflns_number_gt                3880
_reflns_number_total             4453
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol5b03020_si_002.cif
_cod_data_source_block           141126LT
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_database_code               1540620
_shelxl_version_number           2014/6
_shelx_res_checksum              33358
_shelx_hkl_checksum              81897