L-Valine derived chiral N-sulfinamides as effective organocatalysts for the asymmetric hydrosilylation of N-alkyl and N-aryl protected ketimines.
Wang, Chao; Wu, Xinjun; Zhou, Li; Sun, Jian; Organic & biomolecular chemistry 13 (2015) 577–582; doi:10.1039/c4ob01257g

data_7154179
_publ_section_title
;
 L-Valine derived chiral N-sulfinamides as effective organocatalysts for
 the asymmetric hydrosilylation of N-alkyl and N-aryl protected ketimines.
;
_journal_issue                   2
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              577
_journal_page_last               582
_journal_paper_doi               10.1039/c4ob01257g
_journal_volume                  13
_journal_year                    2015
_chemical_absolute_configuration rm
_chemical_formula_sum            'C16 H24 F2 N2 O2 S'
_chemical_formula_weight         346.43
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_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                 94.820(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3912(5)
_cell_length_b                   10.6576(4)
_cell_length_c                   18.9928(8)
_cell_measurement_reflns_used    17333,CELMIN=6.05,CELMAX=55.01
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      3.03
_cell_volume                     1894.22(15)
_computing_cell_refinement       'Rapid Auto Version 3.0 (Rigaku 2004)'
_computing_data_collection       'Rapid Auto Version 3.0 (Rigaku 2004)'
_computing_data_reduction        'Rapid Auto Version 3.0 (Rigaku 2004)'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0176
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18610
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.03
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.198
_exptl_absorpt_correction_T_max  0.9577
_exptl_absorpt_correction_T_min  0.8938
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_meas      1.215
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.258
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(4)
_refine_ls_extinction_coef       0.0109(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         8181
_refine_ls_number_restraints     43
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0326
_refine_ls_R_factor_gt           0.0304
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0569P)^2^+0.1746P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0832
_refine_ls_wR_factor_ref         0.0854
_reflns_number_gt                7735
_reflns_number_total             8181
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ob01257g1.cif
_cod_data_source_block           y2445
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7154178--7154179.cif.
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7154179