Efficient Access to Chiral Benzhydrols via Asymmetric Transfer Hydrogenation of Unsymmetrical Benzophenones with Bifunctional Oxo-Tethered Ruthenium Catalysts.
Touge, Taichiro; Nara, Hideki; Fujiwhara, Mitsuhiko; Kayaki, Yoshihito; Ikariya, Takao; Journal of the American Chemical Society 138 (2016) 10084–10087; doi:10.1021/jacs.6b05738

data_4130686
_publ_section_title
;
 Efficient Access to Chiral Benzhydrols via Asymmetric Transfer
 Hydrogenation of Unsymmetrical Benzophenones with Bifunctional
 Oxo-Tethered Ruthenium Catalysts.
;
_journal_issue                   32
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10084
_journal_page_last               10087
_journal_paper_doi               10.1021/jacs.6b05738
_journal_volume                  138
_journal_year                    2016
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C20 H13 Cl N2 O6'
_chemical_formula_sum            'C20 H13 Cl N2 O6'
_chemical_formula_weight         412.79
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 109.497(5)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   13.373(4)
_cell_length_b                   7.840(2)
_cell_length_c                   18.371(6)
_cell_measurement_reflns_used    5115
_cell_measurement_temperature    93
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      3.05
_cell_volume                     1815.7(9)
_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  0.0638
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            15140
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.253
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.828
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             848.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.933
_refine_diff_density_min         -0.911
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  3251 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.09(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_reflns         7694
_refine_ls_R_factor_gt           0.0604
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[0.0002Fo^2^ + 1.0000\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1009
_reflns_number_gt                5302
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_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja6b05738_si_003.cif
_cod_data_source_block           2-Cl-5-NO2benzhydrolv2
_cod_original_cell_volume        1815.6(9)
_cod_database_code               4130686