4-((2-Halogeno-5-pyridyl)dimethylsilyl)phenylboronic Acids: New Potential Building Blocks for the Synthesis of Silicon-Containing Drugs
Troegel, Dennis; Möller, Frank; Burschka, Christian; Tacke, Reinhold; Organometallics 28 (2009) 3218–; doi:10.1021/om900175m

data_4069401
_publ_section_title
;
 4-((2-Halogeno-5-pyridyl)dimethylsilyl)phenylboronic Acids: New Potential
 Building Blocks for the Synthesis of Silicon-Containing Drugs
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              3218
_journal_paper_doi               10.1021/om900175m
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C19 H25 B F N O2 Si'
_chemical_formula_sum            'C19 H25 B F N O2 Si'
_chemical_formula_weight         357.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.594(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0086(15)
_cell_length_b                   12.2203(14)
_cell_length_c                   13.4878(18)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      24.75
_cell_measurement_theta_min      6.9
_cell_volume                     1977.3(4)
_computing_cell_refinement       Stoe-IPDS
_computing_data_collection       Stoe-IPDS
_computing_data_reduction        Stoe-IPDS
_computing_molecular_graphics    Ortep/Povray
_computing_publication_material  Bruker-SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  Stoe-IPDS_image_plate
_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  0.0498
_diffrn_reflns_av_sigmaI/netI    0.0370
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            20682
_diffrn_reflns_theta_full        29.11
_diffrn_reflns_theta_max         29.11
_diffrn_reflns_theta_min         2.78
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  0.9862
_exptl_absorpt_correction_T_min  0.9338
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.328
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         5269
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0686
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0681P)^2^+0.1642P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1178
_refine_ls_wR_factor_ref         0.1276
_reflns_number_gt                3669
_reflns_number_total             5269
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900175m_si_002.cif
_cod_data_source_block           compound_5a
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4069401