Rh-Catalyzed Dehydrogenative Cyclization Leading to Benzosilolothiophene Derivatives via Si–H/C–H Bond Cleavage
Mitsudo, Koichi; Tanaka, Seiichi; Isobuchi, Ryota; Inada, Tomohiro; Mandai, Hiroki; Korenaga, Toshinobu; Wakamiya, Atsushi; Murata, Yasujiro; Suga, Seiji; Organic Letters  (2017) –; doi:10.1021/acs.orglett.7b00878

data_1546008
_publ_section_title
;
 Rh-Catalyzed Dehydrogenative Cyclization Leading to Benzosilolothiophene
 Derivatives via Si--H/C--H Bond Cleavage
;
_journal_name_full               'Organic Letters'
_journal_paper_doi               10.1021/acs.orglett.7b00878
_journal_year                    2017
_chemical_formula_moiety         'C45 H50 S2'
_chemical_formula_sum            'C45 H50 S2'
_chemical_formula_weight         654.97
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 103.263(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.986(4)
_cell_length_b                   22.422(4)
_cell_length_c                   7.9388(15)
_cell_measurement_reflns_used    6124
_cell_measurement_temperature    100
_cell_measurement_theta_max      31.4
_cell_measurement_theta_min      1.8
_cell_volume                     3635.9(12)
_computing_cell_refinement
;
Rigaku CrystalClear-SM Expert 2.0 r16
;
_computing_data_collection
;
Rigaku CrystalClear-SM Expert 2.0 r16
;
_computing_data_reduction
;
Rigaku CrystalClear-SM Expert 2.0 r16
;
_computing_molecular_graphics    'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_publication_material  'Yadokari-XG 2009 (Wakita,Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.938
_diffrn_measurement_device_type
;
Rigaku CrystalClear-SM Expert 2.0 r16
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0448
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.938
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            33839
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.938
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.402
_diffrn_reflns_theta_min         2.698
_diffrn_source                   'Rotating Anode'
_exptl_absorpt_coefficient_mu    0.177
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.861
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.196
_exptl_crystal_description       Block
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.330
_refine_diff_density_max         0.324
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         5641
_refine_ls_number_restraints     217
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0408
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0556P)^2^+0.3217P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0977
_refine_ls_wR_factor_ref         0.1052
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4535
_reflns_number_total             5641
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b00878_si_002.cif
_cod_data_source_block           ydkr
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               1546008
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.932
_shelx_estimated_absorpt_t_max   0.944
_shelx_res_checksum              47953
_shelx_hkl_checksum              69455