Ruthenium-Catalyzed Site-Selective Intramolecular Silylation of Primary C-H Bonds for Synthesis of Sila-Heterocycles.
Fang, Huaquan; Hou, Wenjun; Liu, Guixia; Huang, Zheng; Journal of the American Chemical Society 139 (2017) 11601–11609; doi:10.1021/jacs.7b06798

data_4131561
_publ_section_title
;
 Ruthenium-Catalyzed Site-Selective Intramolecular Silylation of Primary
 C-H Bonds for Synthesis of Sila-Heterocycles.
;
_journal_issue                   33
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11601
_journal_page_last               11609
_journal_paper_doi               10.1021/jacs.7b06798
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C12 H18 O2 Si2'
_chemical_formula_sum            'C12 H18 O2 Si2'
_chemical_formula_weight         250.44
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-06-07
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                90
_cell_angle_beta                 99.277(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.6045(6)
_cell_length_b                   10.5502(10)
_cell_length_c                   9.9087(9)
_cell_measurement_reflns_used    4553
_cell_measurement_temperature    130
_cell_measurement_theta_max      30.61
_cell_measurement_theta_min      2.84
_cell_volume                     681.40(11)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      130
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II 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  0.0173
_diffrn_reflns_av_unetI/netI     0.0161
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6759
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.618
_diffrn_reflns_theta_min         2.840
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.245
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7026
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0746 before and 0.0277 after correction.
The Ratio of minimum to maximum transmission is 0.9417.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.221
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             268
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     75
_refine_ls_number_reflns         2103
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0299
_refine_ls_R_factor_gt           0.0276
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0397P)^2^+0.1997P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0770
_refine_ls_wR_factor_ref         0.0790
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1938
_reflns_number_total             2103
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b06798_si_002.cif
_cod_data_source_block           mo_dm16359_0m
_cod_database_code               4131561
_shelx_estimated_absorpt_t_max   0.953
_shelx_estimated_absorpt_t_min   0.930
_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 Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1)
2.c Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C)
;
_shelx_res_checksum              77372
_shelx_hkl_checksum              11920
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'