Mechanistic investigations of the asymmetric hydrosilylation of ketimines with trichlorosilane reveals a dual activation model and an organocatalyst with enhanced efficiency.
Li, X.; Reeder, A. T.; Torri, F.; Adams, H.; Jones, S.; Organic & biomolecular chemistry 15 (2017) 2422–2435; doi:10.1039/c6ob02537d

data_7155506
_publ_section_title
;
 Mechanistic investigations of the asymmetric hydrosilylation of ketimines
 with trichlorosilane reveals a dual activation model and an
 organocatalyst with enhanced efficiency.
;
_journal_issue                   11
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2422
_journal_page_last               2435
_journal_paper_doi               10.1039/c6ob02537d
_journal_volume                  15
_journal_year                    2017
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C22 H23 N3 O2'
_chemical_formula_sum            'C22 H23 N3 O2'
_chemical_formula_weight         361.43
_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
_audit_update_record
;
2016-11-17 deposited with the CCDC.
2017-02-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.155(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.496(6)
_cell_length_b                   11.107(8)
_cell_length_c                   9.921(7)
_cell_measurement_reflns_used    1240
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      22.75
_cell_measurement_theta_min      2.21
_cell_volume                     932.4(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      150(2)
_diffrn_detector_area_resol_mean 100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.986
_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  0.0709
_diffrn_reflns_av_sigmaI/netI    0.0585
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10681
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.06
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9826
_exptl_absorpt_correction_T_min  0.9720
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.287
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         2233
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0640
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0411P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0819
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                1673
_reflns_number_total             2233
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ob02537d2.cif
_cod_data_source_block           osj58m
_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.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' 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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7155506.cif.
;
_cod_original_cell_volume        932.5(11)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7155506