Diastereoselective Synthesis of Bulky, Strongly Nucleophilic, and Configurationally Stable P-Stereogenic Tricyclic Phosphines
David Gau; Ricardo Rodriguez; Tsuyoshi Kato; Nathalie Saffon-Merceron; Antoine Baceiredo; Journal of the American Chemical Society 132 (2010) 12841–12843; doi:10.1021/ja1054912

data_4103062
_publ_section_title
;
 Diastereoselective Synthesis of Bulky, Strongly Nucleophilic, and
 Configurationally Stable P-Stereogenic Tricyclic Phosphines
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12841
_journal_page_last               12843
_journal_paper_doi               10.1021/ja1054912
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C41 H54 N3 P Si'
_chemical_formula_weight         647.93
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.313(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2805(8)
_cell_length_b                   10.0135(7)
_cell_length_c                   33.283(2)
_cell_measurement_reflns_used    3358
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      23.47
_cell_measurement_theta_min      2.37
_cell_volume                     3753.3(4)
_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  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0927
_diffrn_reflns_av_sigmaI/netI    0.0881
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            37287
_diffrn_reflns_theta_full        26.73
_diffrn_reflns_theta_max         26.73
_diffrn_reflns_theta_min         5.10
_exptl_absorpt_coefficient_mu    0.137
_exptl_absorpt_correction_T_max  0.9864
_exptl_absorpt_correction_T_min  0.9798
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.147
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1400
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.232
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     423
_refine_ls_number_reflns         7844
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1140
_refine_ls_R_factor_gt           0.0556
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+1.0437P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1114
_refine_ls_wR_factor_ref         0.1328
_reflns_number_gt                4674
_reflns_number_total             7844
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1054912_si_003.cif
_cod_data_source_block           3c
_cod_original_cell_volume        3753.2(5)
_cod_database_code               4103062