Stereoconvergent Arylations and Alkenylations of Unactivated Alkyl Electrophiles: Catalytic Enantioselective Synthesis of Secondary Sulfonamides and Sulfones.
Choi, Junwon; Martín-Gago, Pablo; Fu, Gregory C.; Journal of the American Chemical Society 136 (2014) 12161–; doi:10.1021/ja506885s

data_4122433
_publ_section_title
;
 Stereoconvergent Arylations and Alkenylations of Unactivated Alkyl
 Electrophiles: Catalytic Enantioselective Synthesis of Secondary
 Sulfonamides and Sulfones.
;
_journal_issue                   34
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12161
_journal_paper_doi               10.1021/ja506885s
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H35 N O3 S Si'
_chemical_formula_sum            'C19 H35 N O3 S Si'
_chemical_formula_weight         385.63
_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
_atom_sites_solution_primary     direct
_audit_creation_date             2014-06-11
_audit_creation_method
;
Olex2 1.2
(compiled 2014.05.21 svn.r2940 for OlexSys, GUI svn.r4846)
;
_cell_angle_alpha                90
_cell_angle_beta                 99.2230(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.9209(6)
_cell_length_b                   10.6607(12)
_cell_length_c                   17.0647(19)
_cell_measurement_reflns_used    9951
_cell_measurement_temperature    100
_cell_measurement_theta_max      28.89
_cell_measurement_theta_min      2.26
_cell_volume                     1063.2(2)
_computing_data_collection       'SMART v5.054 (Bruker, 2001)'
_computing_data_reduction        'SAINT v8.27A (Bruker, 2012)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0236
_diffrn_reflns_av_unetI/netI     0.0254
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.926
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16770
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.904
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         29.107
_diffrn_reflns_theta_min         1.209
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.226
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9257
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0454 before and 0.0393 after correction.
The Ratio of minimum to maximum transmission is 0.9257.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_description       Blade
_exptl_crystal_F_000             420
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.163
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details
;
 Flack x determined using 2164 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.02(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     233
_refine_ls_number_reflns         5160
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0279
_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^)+(0.0366P)^2^+0.1501P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0669
_refine_ls_wR_factor_ref         0.0690
_reflns_Friedel_coverage         0.857
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.880
_reflns_number_gt                4895
_reflns_number_total             5160
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja506885s_si_001.cif
_cod_data_source_block           crystal01
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_source_target' value 'MO' changed to 'Mo' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4122433--4122435.cif.
;
_cod_database_code               4122433
_shelxl_version_number           2014-3
_shelx_estimated_absorpt_t_max   0.978
_shelx_estimated_absorpt_t_min   0.915
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C3(H3)
2.b Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B), C7(H7A,H7B)
2.c Aromatic/amide H refined with riding coordinates:
 C9(H9), C10(H10), C11(H11), C12(H12), C13(H13)
2.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C2(H2A,H2B,H2C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C),
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C)
;
_olex2_exptl_crystal_mounting_method fiber