Rh(I)-Catalyzed Enantioselective Hydrogenation of α-Substituted Ethenylphosphonic Acids
Kaiwu Dong; Zheng Wang; Kuiling Ding; Journal of the American Chemical Society 134 (2012) 12474–12477; doi:10.1021/ja305780z

data_4118446
_publ_section_title
;
 Rh(I)-Catalyzed Enantioselective Hydrogenation of \a-Substituted
 Ethenylphosphonic Acids
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12474
_journal_page_last               12477
_journal_paper_doi               10.1021/ja305780z
_journal_volume                  134
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_sum            'C12 H19 O3 P'
_chemical_formula_weight         242.24
_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                 100.105(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6055(10)
_cell_length_b                   8.1966(9)
_cell_length_c                   19.405(2)
_cell_measurement_reflns_used    2756
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      52.166
_cell_measurement_theta_min      4.810
_cell_volume                     1347.5(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0286
_diffrn_reflns_av_sigmaI/netI    0.0534
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            8192
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.40
_exptl_absorpt_coefficient_mu    0.195
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.71022
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.321
_exptl_crystal_size_mid          0.245
_exptl_crystal_size_min          0.167
_refine_diff_density_max         0.482
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.07(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         5196
_refine_ls_number_restraints     41
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0491
_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^)+(0.0722P)^2^+0.0084P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1169
_refine_ls_wR_factor_ref         0.1234
_reflns_number_gt                4588
_reflns_number_total             5196
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja305780z_si_002.cif
_cod_data_source_block           cd212157
_cod_database_code               4118446