Organotitanium Nucleophiles in Asymmetric Cross-Coupling Reaction: Stereoconvergent Synthesis of Chiral α-CF<sub>3</sub> Thioethers.
Varenikov, Andrii; Gandelman, Mark; Journal of the American Chemical Society 141 (2019) 10994–10999; doi:10.1021/jacs.9b05671

data_4127403
_publ_section_title
;
 Organotitanium Nucleophiles in Asymmetric Cross-Coupling Reaction:
 Stereoconvergent Synthesis of Chiral \a-CF<sub>3</sub> Thioethers.
;
_journal_issue                   28
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10994
_journal_page_last               10999
_journal_paper_doi               10.1021/jacs.9b05671
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C24 H21 F3 S'
_chemical_formula_sum            'C24 H21 F3 S'
_chemical_formula_weight         398.47
_chemical_name_common            'Gandelman335b (Andreii)'
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 92.615(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.2316(9)
_cell_length_b                   6.1453(5)
_cell_length_c                   16.0261(14)
_cell_measurement_reflns_used    3484
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.065
_cell_measurement_theta_min      1.272
_cell_volume                     1006.61(15)
_computing_cell_refinement       'APEX2 v2010.7-0 (Bruker AXS)'
_computing_data_collection       'Bruker Instrument Service v2010.7.0.0'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 95
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'APEX2 (Bruker AXS)'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0568
_diffrn_reflns_av_unetI/netI     0.0525
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7841
_diffrn_reflns_point_group_measured_fraction_full 0.977
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        25.065
_diffrn_reflns_theta_max         25.065
_diffrn_reflns_theta_min         1.272
_exptl_absorpt_coefficient_mu    0.194
_exptl_absorpt_correction_T_max  0.859
_exptl_absorpt_correction_T_min  0.800
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_description       needle
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.208
_refine_diff_density_min         -0.234
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details
;
 Flack x determined using 1321 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.00(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3484
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0445P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0793
_refine_ls_wR_factor_ref         0.0806
_reflns_Friedel_coverage         0.778
_reflns_Friedel_fraction_full    0.954
_reflns_Friedel_fraction_max     0.953
_reflns_number_gt                3208
_reflns_number_total             3484
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b05671_si_001.cif
_cod_data_source_block           Gandelman335b
_cod_database_code               4127403
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.955
_shelx_estimated_absorpt_t_max   0.977
_shelx_res_checksum              91237
_shelx_hkl_checksum              4813