Borabicyclo[3.3.2]decanes and the stereoselective asymmetric synthesis of 1,3-diol stereotriads from 1,3-diborylpropenes.
González, Ana Z; Román, José G; Alicea, Eyleen; Canales, Eda; Soderquist, John A.; Journal of the American Chemical Society 131 (2009) 1269–1273; doi:10.1021/ja808360z

data_4121908
_publ_section_title
;
 Borabicyclo[3.3.2]decanes and the stereoselective asymmetric synthesis of
 1,3-diol stereotriads from 1,3-diborylpropenes.
;
_journal_issue                   3
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1269
_journal_page_last               1273
_journal_paper_doi               10.1021/ja808360z
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C18 H19 Br O2'
_chemical_formula_weight         347.24
_chemical_name_systematic
; 
 ? 
;
_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                 90.30(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.530(6)
_cell_length_b                   20.803(13)
_cell_length_c                   17.593(11)
_cell_measurement_temperature    298(2)
_cell_volume                     3488(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.900
_diffrn_measured_fraction_theta_max 0.900
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0622
_diffrn_reflns_av_sigmaI/netI    0.0903
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            22538
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    2.359
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       NEEDLE
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.604
_refine_diff_density_min         -1.026
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.922
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     385
_refine_ls_number_reflns         7812
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.922
_refine_ls_R_factor_all          0.1932
_refine_ls_R_factor_gt           0.0701
_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^)+(0.1356P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2004
_refine_ls_wR_factor_ref         0.2578
_reflns_number_gt                2724
_reflns_number_total             7812
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja808360z_si_004.cif
_cod_data_source_block           js038
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4121908
_cod_duplicate_entry 4103820