Enantioselective Rh-catalyzed hydrogenation of 3-aryl-2-phosphonomethylpropenoates by a new class of chiral ferrocenyl diphosphine ligands.
Wang, Dao-Yong; Hu, Xiang-Ping; Hou, Chuan-Jin; Deng, Jun; Yu, Sai-Bo; Duan, Zheng-Chao; Huang, Jia-Di; Zheng, Zhuo; Organic letters 11 (2009) 3226–3229; doi:10.1021/ol9012469

data_1504041
_publ_section_title
;
 Enantioselective Rh-catalyzed hydrogenation of
 3-aryl-2-phosphonomethylpropenoates by a new class of chiral ferrocenyl
 diphosphine ligands.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3226
_journal_page_last               3229
_journal_paper_doi               10.1021/ol9012469
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C41 H40 Fe N2 O P2'
_chemical_formula_weight         694.54
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7307(6)
_cell_length_b                   10.9784(6)
_cell_length_c                   33.3226(17)
_cell_measurement_temperature    273(2)
_cell_volume                     3559.8(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      273(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  0.0425
_diffrn_reflns_av_sigmaI/netI    0.0512
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            19596
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.548
_exptl_absorpt_correction_T_max  0.9472
_exptl_absorpt_correction_T_min  0.7905
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.203
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.017(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         6278
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0372
_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^)+(0.0395P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0788
_refine_ls_wR_factor_ref         0.0840
_reflns_number_gt                5253
_reflns_number_total             6278
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol9012469_si_001.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1504041