Can a Butadiene-Based Architecture Compete with its Biaryl Counterpart in Asymmetric Catalysis? Enantiopure Me-CATPHOS, a Remarkably Efficient Ligand for Asymmetric Hydrogenation
Doherty, Simon; Smyth, Catherine H.; Harriman, Anthony; Harrington, Ross W.; Clegg, William; Organometallics 28 (2009) 888–; doi:10.1021/om801145v

data_4068894
_publ_section_title
;
 Can a Butadiene-Based Architecture Compete with its Biaryl Counterpart in
 Asymmetric Catalysis? Enantiopure Me-CATPHOS, a Remarkably Efficient
 Ligand for Asymmetric Hydrogenation
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              888
_journal_paper_doi               10.1021/om801145v
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C58 H44 P2'
_chemical_formula_sum            'C58 H44 P2'
_chemical_formula_weight         802.87
_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                 92.417(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2668(2)
_cell_length_b                   39.5599(6)
_cell_length_c                   10.3939(2)
_cell_measurement_reflns_used    18279
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      62.26
_cell_measurement_theta_min      2.23
_cell_volume                     4217.76(13)
_computing_cell_refinement       CrysAlisPro
_computing_data_collection       CrysAlisPro
_computing_data_reduction        CrysAlisPro
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.3968
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type
'Oxford Diffraction Gemini A Ultra diffractometer'
_diffrn_measurement_method       'thin-slice \w scans'
_diffrn_radiation_monochromator  none
_diffrn_radiation_source         'sealed tube with Enhance Ultra optics'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0561
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       45
_diffrn_reflns_limit_k_min       -45
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            31603
_diffrn_reflns_theta_full        62.45
_diffrn_reflns_theta_max         62.45
_diffrn_reflns_theta_min         2.23
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.233
_exptl_absorpt_correction_T_max  0.791
_exptl_absorpt_correction_T_min  0.773
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlisPro and Scalepack'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1688
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.406
_refine_diff_density_min         -0.304
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.069(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1085
_refine_ls_number_reflns         12761
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0595
_refine_ls_R_factor_gt           0.0511
_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^)+(0.0618P)^2^+3.8280P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1246
_refine_ls_wR_factor_ref         0.1296
_reflns_number_gt                11481
_reflns_number_total             12761
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om801145v_si_002.cif
_cod_data_source_block           sd259_compound_2
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4068894