Synthesis of Dibenzo[b,f]silepins with a Benzoquinolyl Ligand
Tokoro, Yuichiro; Tanaka, Kazuo; Chujo, Yoshiki; Organic Letters 15 (2013) 2366–; doi:10.1021/ol400730n

data_1512030
_publ_section_title
;
 Synthesis of Dibenzo[b,f]silepins with a Benzoquinolyl Ligand
;
_journal_issue                   10
_journal_name_full               'Organic Letters'
_journal_page_first              2366
_journal_paper_doi               10.1021/ol400730n
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C27 H19 N O Si'
_chemical_formula_weight         401.52
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 99.500(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.8852(6)
_cell_length_b                   14.9048(12)
_cell_length_c                   17.1614(13)
_cell_measurement_temperature    93(2)
_cell_volume                     1989.3(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0632
_diffrn_reflns_av_sigmaI/netI    0.0543
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15014
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    0.138
_exptl_absorpt_correction_T_max  0.9864
_exptl_absorpt_correction_T_min  0.9730
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.389
_refine_diff_density_min         -1.122
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.169
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         3485
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.169
_refine_ls_R_factor_all          0.0906
_refine_ls_R_factor_gt           0.0591
_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^)+(0.1277P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1562
_refine_ls_wR_factor_ref         0.2166
_reflns_number_gt                2292
_reflns_number_total             3485
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol400730n_si_003.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P_21/n
_cod_database_code               1512030