Enantioselective Synthesis of Multisubstituted Biaryl Skeleton by Chiral Phosphoric Acid Catalyzed Desymmetrization/Kinetic Resolution Sequence
Keiji Mori; Yuki Ichikawa; Manato Kobayashi; Yukihiro Shibata; Masahiro Yamanaka; Takahiko Akiyama; Journal of the American Chemical Society 135 (2013) 3964–3970; doi:10.1021/ja311902f

data_4119450
_publ_section_title
;
 Enantioselective Synthesis of Multisubstituted Biaryl Skeleton by Chiral
 Phosphoric Acid Catalyzed Desymmetrization/Kinetic Resolution Sequence
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3964
_journal_page_last               3970
_journal_paper_doi               10.1021/ja311902f
_journal_volume                  135
_journal_year                    2013
_chemical_absolute_configuration ad
_chemical_formula_sum            'C20.5 H20.5 Br O3'
_chemical_formula_weight         394.78
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 110.3130(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6643(7)
_cell_length_b                   24.652(2)
_cell_length_c                   10.9316(10)
_cell_measurement_reflns_used    4902
_cell_measurement_temperature    123
_cell_measurement_theta_max      27.22
_cell_measurement_theta_min      2.58
_cell_volume                     1937.0(3)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_source         'Bruker TXS fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0230
_diffrn_reflns_av_sigmaI/netI    0.0671
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            11015
_diffrn_reflns_theta_full        27.58
_diffrn_reflns_theta_max         27.58
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    2.137
_exptl_absorpt_correction_T_max  0.6746
_exptl_absorpt_correction_T_min  0.6172
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_description       block
_exptl_crystal_F_000             810
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.734
_refine_diff_density_min         -0.372
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.023(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         7155
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0406
_refine_ls_R_factor_gt           0.0336
_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^)+(0.0202P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0754
_refine_ls_wR_factor_ref         0.0774
_reflns_number_gt                6316
_reflns_number_total             7155
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja311902f_si_004.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      'P 1 21 1 '
_cod_database_code               4119450