Controlling the formation of 1 out of 64 stereoisomers using organocatalysis.
Bertelsen, Søren; Johansen, Rasmus L; Jørgensen, Karl Anker; Chemical communications (Cambridge, England)  (2008) 3016–3018; doi:10.1039/b806418k

data_7103198
_publ_section_title
;
 Controlling the formation of 1 out of 64 stereoisomers using
 organocatalysis.
;
_journal_issue                   26
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3016
_journal_page_last               3018
_journal_paper_doi               10.1039/b806418k
_journal_year                    2008
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C23 H25 Br1 O10'
_chemical_formula_sum            'C23 H25 Br O10'
_chemical_formula_weight         541.34
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      18
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2008-05-08T14:00:38-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.9402(7)
_cell_length_b                   15.9657(7)
_cell_length_c                   18.6847(7)
_cell_measurement_reflns_used    6022
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.6
_cell_measurement_theta_min      2.5
_cell_measurement_wavelength     0.71073
_cell_volume                     4755.2(3)
_computing_cell_refinement       'Saint+ (Bruker-Nonius, 2007)'
_computing_data_collection       'Apex2 (Bruker-Nonius, 2007)'
_computing_data_reduction        'Saint+ (Bruker-Nonius, 2007)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 12.00
_diffrn_detector_type            'APEX2 charged-coupled device'
_diffrn_measured_fraction_theta_full 0.98
_diffrn_measured_fraction_theta_max 0.98
_diffrn_measurement_device_type  'Bruker X8 APEX-II diffractometer'
_diffrn_measurement_method
;
Narrow slices collected using \f- and \w-scans
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0296
_diffrn_reflns_av_unetI/netI     0.035
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16293
_diffrn_reflns_theta_full        21.73
_diffrn_reflns_theta_max         21.73
_diffrn_reflns_theta_min         3.06
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.784
_exptl_absorpt_correction_T_max  0.840
_exptl_absorpt_correction_T_min  0.532
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS (Sheldrick, 2004)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.512
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2224
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.371
_refine_diff_density_min         -0.421
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.010(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     617
_refine_ls_number_reflns         5237
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.043
_refine_ls_R_factor_gt           0.0329
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+1.4756P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0749
_refine_ls_wR_factor_ref         0.0781
_reflns_number_gt                4524
_reflns_number_total             5237
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806418k.txt
_cod_data_source_block           08jo0010_0m
_cod_database_code               7103198