Regioselective Insertion of Carborynes into Ethereal C-H Bond: Facile Synthesis of α-Carboranylated Ethers
Sunewang R. Wang; Zaozao Qiu; Zuowei Xie; Journal of the American Chemical Society 133 (2011) 5760–5763; doi:10.1021/ja201126h

data_4105995
_publ_section_title
;
 Regioselective Insertion of Carborynes into Ethereal C-H Bond: Facile
 Synthesis of \a-Carboranylated Ethers
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5760
_journal_page_last               5763
_journal_paper_doi               10.1021/ja201126h
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C10 H24 B10 O2'
_chemical_formula_weight         284.39
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 112.1270(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.0596(19)
_cell_length_b                   7.3777(5)
_cell_length_c                   17.1759(12)
_cell_measurement_reflns_used    43
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      15
_cell_volume                     3293.8(4)
_computing_cell_refinement       'BRUKER KAPPA APEXII DUO DIFFRACTROMETER'
_computing_data_collection       'BRUKER KAPPA APEXII DUO DIFFRACTROMETER'
_computing_data_reduction        'BRUKER KAPPA APEXII DUO DIFFRACTROMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER KAPPA APEXII DUO DIFFRACTROMETER'
_diffrn_measurement_method       'OMEGA SCAN'
_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  0.0438
_diffrn_reflns_av_sigmaI/netI    0.0398
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12302
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6668
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.147
_exptl_crystal_description       block
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.376
_refine_diff_density_min         -0.225
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2987
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.1300
_refine_ls_R_factor_gt           0.0775
_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^)+(0.1177P)^2^+5.0860P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2117
_refine_ls_wR_factor_ref         0.2584
_reflns_number_gt                1715
_reflns_number_total             2987
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja201126h_si_002_3.cif
_cod_data_source_block           8aj
_cod_database_code               4105995