Dynamic Kinetic Cross-Coupling Strategy for the Asymmetric Synthesis of Axially Chiral Heterobiaryls
Abel Ros; Beatriz Estepa; Pedro Ramírez-López; Eleuterio Álvarez; Rosario Fernández; José M. Lassaletta; Journal of the American Chemical Society 135 (2013) 15730–15733; doi:10.1021/ja4087819

data_4121004
_publ_section_title
;
 Dynamic Kinetic Cross-Coupling Strategy for the Asymmetric Synthesis of
 Axially Chiral Heterobiaryls
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15730
_journal_page_last               15733
_journal_paper_doi               10.1021/ja4087819
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C27 H19 N O2'
_chemical_formula_sum            'C27 H19 N O2'
_chemical_formula_weight         389.43
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.636(2)
_cell_angle_beta                 74.8160(10)
_cell_angle_gamma                82.5990(10)
_cell_formula_units_Z            2
_cell_length_a                   9.4525(3)
_cell_length_b                   9.9174(3)
_cell_length_c                   11.0529(3)
_cell_measurement_reflns_used    7675
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      59.01
_cell_measurement_theta_min      4.24
_cell_volume                     970.32(5)
_computing_cell_refinement       'APEX2 Software Suite (Bruker, 2007)'
_computing_data_collection       'APEX2 Software Suite (Bruker, 2007)'
_computing_data_reduction        'APEX2 Software Suite (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL and publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2002 (Burla et al., 2003)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type
;
 Bruker-Nonius X8kappa APEX II CCD area detector
;
_diffrn_measurement_method       'phi and omega scans with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0227
_diffrn_reflns_av_sigmaI/netI    0.0290
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9565
_diffrn_reflns_theta_full        59.01
_diffrn_reflns_theta_max         59.01
_diffrn_reflns_theta_min         4.24
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.664
_exptl_absorpt_correction_T_max  0.9666
_exptl_absorpt_correction_T_min  0.9227
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 APEX2 Software Suite; Bruker 2005.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_description       prism
_exptl_crystal_F_000             408
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.140
_refine_diff_density_min         -0.160
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     541
_refine_ls_number_reflns         3663
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0256
_refine_ls_R_factor_gt           0.0254
_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^)+(0.0461P)^2^+0.1107P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0673
_refine_ls_wR_factor_ref         0.0675
_reflns_number_gt                3631
_reflns_number_total             3663
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja4087819_si_003.cif
_cod_data_source_block           acr1213a
_cod_database_code               4121004