Silyloxide-promoted diastereoselective addition of aryl and heterocyclic trimethylsilanes to N-tert-butanesulfinylimines.
Das, Manas; O'Shea, Donal F; Organic letters 17 (2015) 1962–1965; doi:10.1021/acs.orglett.5b00697

data_1554932
_publ_section_title
;
 Silyloxide-promoted diastereoselective addition of aryl and heterocyclic
 trimethylsilanes to N-tert-butanesulfinylimines.
;
_journal_issue                   8
_journal_name_full               'Organic letters'
_journal_page_first              1962
_journal_page_last               1965
_journal_paper_doi               10.1021/acs.orglett.5b00697
_journal_volume                  17
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C18 H19 Cl F3 N O S'
_chemical_formula_sum            'C18 H19 Cl F3 N O S'
_chemical_formula_weight         389.85
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_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                 118.452(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.7646(4)
_cell_length_b                   15.4251(3)
_cell_length_c                   12.0356(4)
_cell_measurement_reflns_used    13176
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.4690
_cell_measurement_theta_min      3.3780
_cell_volume                     1920.30(12)
_computing_cell_refinement
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.36.24a (release 19-12-2012 CrysAlis171 .NET) 
(compiled Dec 19 2012,11:08:27) 
;
_computing_data_collection
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.36.24a (release 19-12-2012 CrysAlis171 .NET) 
(compiled Dec 19 2012,11:08:27) 
;
_computing_data_reduction
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.36.24a (release 19-12-2012 CrysAlis171 .NET) 
(compiled Dec 19 2012,11:08:27) 
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3196
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.907
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0286
_diffrn_reflns_av_sigmaI/netI    0.0354
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            24061
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         29.61
_diffrn_reflns_theta_min         3.27
_exptl_absorpt_coefficient_mu    0.341
_exptl_absorpt_correction_T_max  0.947
_exptl_absorpt_correction_T_min  0.902
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.36.24a (release 19-12-2012 CrysAlis171 .NET) 
(compiled Dec 19 2012,11:08:27) 
Analytical numeric absorption correction using a multifaceted crystal 
model based on expressions derived by R.C. Clark & J.S. Reid. 
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.348
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.4750
_exptl_crystal_size_mid          0.2576
_exptl_crystal_size_min          0.2164
_refine_diff_density_max         0.201
_refine_diff_density_min         -0.238
_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   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         9213
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0356
_refine_ls_R_factor_gt           0.0325
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0298P)^2^+0.2186P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0677
_refine_ls_wR_factor_ref         0.0705
_reflns_number_gt                8664
_reflns_number_total             9213
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol5b00697_si_003.cif
_cod_data_source_block           osh122
_cod_original_cell_volume        1920.30(10)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1554932