Consecutive HDDA and TDDA reactions of silicon-tethered tetraynes for the synthesis of dibenzosilole-fused polycyclic compounds and their unique reactivity
Mitake, Akihito; Nagai, Rikako; Sekine, Ayato; Takano, Hideaki; Sugimura, Natsuhiko; Kanyiva, Kyalo Stephen; Shibata, Takanori; Chemical Science  (2019) –; doi:10.1039/C9SC00960D

data_1551182
_publ_section_title
;
 Consecutive HDDA and TDDA reactions of silicon-tethered tetraynes for the
 synthesis of dibenzosilole-fused polycyclic compounds and their unique
 reactivity
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C9SC00960D
_journal_year                    2019
_chemical_formula_moiety         'C38 H34 O2 Si2'
_chemical_formula_sum            'C38 H34 O2 Si2'
_chemical_formula_weight         578.86
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2018-02-27 deposited with the CCDC.    2019-05-27 downloaded from the CCDC.
;
_cell_angle_alpha                93.009(7)
_cell_angle_beta                 93.589(7)
_cell_angle_gamma                92.791(7)
_cell_formula_units_Z            4
_cell_length_a                   11.2379(5)
_cell_length_b                   13.1495(7)
_cell_length_c                   20.9319(11)
_cell_measurement_reflns_used    23543
_cell_measurement_temperature    123
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.00
_cell_volume                     3078.6(3)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2.4'
_computing_publication_material  'CrystalStructure 4.2.4 (Rigaku, 2016)'
_computing_structure_refinement  'SHELXL Version 2014/6 (Sheldrick, 2008)'
_computing_structure_solution    'Superflip (Palatinus, et al., 2007)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0441
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            28915
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.484
_diffrn_reflns_theta_min         3.005
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.148
_exptl_absorpt_correction_T_max  0.956
_exptl_absorpt_correction_T_min  0.668
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1224.00
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.66
_refine_diff_density_min         -0.40
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.628
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     757
_refine_ls_number_reflns         13863
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0983
_refine_ls_R_factor_gt           0.0716
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2386
_refine_ls_wR_factor_ref         0.2496
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10267
_reflns_number_total             13863
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c9sc00960d2.cif
_cod_data_source_block           20180118-mitake
_cod_original_cell_volume        3078.7(3)
_cod_database_code               1551182
_shelxl_version_number           2014/6
_shelx_res_checksum              4902