Lewis acid-catalyzed regioselective synthesis of chiral alpha-fluoroalkyl amines via asymmetric addition of silyl dienolates to fluorinated sulfinylimines
Yingle Liu; Jiawang Liu; Yangen Huang; Feng-Ling Qing; Chem.Commun. 49 (2013) 7492–; doi:10.1039/c3cc43741h

data_7109633
_publ_section_title
;
 Lewis acid-catalyzed regioselective synthesis of chiral alpha-fluoroalkyl
 amines via asymmetric addition of silyl dienolates to fluorinated
 sulfinylimines
;
_journal_name_full               Chem.Commun.
_journal_page_first              7492
_journal_paper_doi               10.1039/c3cc43741h
_journal_volume                  49
_journal_year                    2013
_chemical_absolute_configuration ad
_chemical_formula_sum            'C14 H23 F3 N O3 S'
_chemical_formula_weight         342.39
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 113.544(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.4050(12)
_cell_length_b                   9.9217(12)
_cell_length_c                   10.9244(14)
_cell_measurement_reflns_used    2832
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      52.259
_cell_measurement_theta_min      4.849
_cell_volume                     934.5(2)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0366
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5687
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.210
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.24669
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             362
_exptl_crystal_size_max          0.254
_exptl_crystal_size_mid          0.211
_exptl_crystal_size_min          0.147
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.168
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3668
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0411
_refine_ls_shift/su_max          0.029
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0752P)^2^+0.0463P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1121
_refine_ls_wR_factor_ref         0.1153
_reflns_number_gt                3369
_reflns_number_total             3668
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc43741h.txt
_cod_data_source_block           cd212628
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7109633