Multiple Absolute Stereocontrol in Cascade Lactone Formation via Dynamic Kinetic Resolution Driven by the Asymmetric Transfer Hydrogenation of Keto Acids with Oxo-Tethered Ruthenium Catalysts.
Touge, Taichiro; Sakaguchi, Kazuhiko; Tamaki, Nao; Nara, Hideki; Yokozawa, Tohru; Matsumura, Kazuhiko; Kayaki, Yoshihito; Journal of the American Chemical Society 141 (2019) 16354–16361; doi:10.1021/jacs.9b07297

data_4127680
_publ_section_title
;
 Multiple Absolute Stereocontrol in Cascade Lactone Formation via Dynamic
 Kinetic Resolution Driven by the Asymmetric Transfer Hydrogenation of
 Keto Acids with Oxo-Tethered Ruthenium Catalysts.
;
_journal_issue                   41
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16354
_journal_page_last               16361
_journal_paper_doi               10.1021/jacs.9b07297
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C12 H11 Br O2'
_chemical_formula_sum            'C12 H11 Br O2'
_chemical_formula_weight         267.12
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   5.0178(15)
_cell_length_b                   12.447(4)
_cell_length_c                   16.893(5)
_cell_measurement_reflns_used    3675
_cell_measurement_temperature    93
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      3.49
_cell_volume                     1055.1(6)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'CRYSTALS (Carruthers, et al., 1999)'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0701
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8636
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.882
_exptl_absorpt_correction_T_max  0.856
_exptl_absorpt_correction_T_min  0.499
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.682
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             536.00
_exptl_crystal_size_max          0.070
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.040
_refine_diff_density_max         3.340
_refine_diff_density_min         -0.983
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  981 Friedel Pairs'
_refine_ls_abs_structure_Flack   -0.017(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     148
_refine_ls_number_reflns         2412
_refine_ls_R_factor_gt           0.0462
_refine_ls_shift/su_max          0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[0.0006Fo^2^ + 0.4710\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1044
_reflns_number_gt                1669
_reflns_number_total             2412
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja9b07297_si_004.cif
_cod_data_source_block           49-A_Br_lactone
_cod_database_code               4127680