Asymmetric synthesis of p-stereogenic diarylphosphinites by palladium-catalyzed enantioselective addition of diarylphosphines to benzoquinones.
Huang, Yinhua; Li, Yongxin; Leung, Pak-Hing; Hayashi, Tamio; Journal of the American Chemical Society 136 (2014) 4865–4868; doi:10.1021/ja501007t

data_4121627
_publ_section_title
;
 Asymmetric synthesis of p-stereogenic diarylphosphinites by
 palladium-catalyzed enantioselective addition of diarylphosphines to
 benzoquinones.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4865
_journal_page_last               4868
_journal_paper_doi               10.1021/ja501007t
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C24 H20 P2 S2'
_chemical_formula_weight         434.46
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 96.8115(15)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5656(5)
_cell_length_b                   15.6505(9)
_cell_length_c                   14.0777(8)
_cell_measurement_reflns_used    8100
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      30.7429
_cell_measurement_theta_min      2.6028
_cell_volume                     2092.6(2)
_computing_cell_refinement       'SAINT V8.32B (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.32B (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0769
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            49831
_diffrn_reflns_theta_full        31.49
_diffrn_reflns_theta_max         31.49
_diffrn_reflns_theta_min         2.51
_exptl_absorpt_coefficient_mu    0.415
_exptl_absorpt_correction_T_max  0.89
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.379
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.320
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.596
_refine_diff_density_min         -0.416
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.123
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         6912
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.123
_refine_ls_R_factor_all          0.0784
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0458P)^2^+1.7634P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1237
_reflns_number_gt                5061
_reflns_number_total             6912
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja501007t_si_002.cif
_cod_data_source_block           I
_cod_database_code               4121627
_shelx_res_checksum              13851
_shelx_hkl_checksum              44353