Application of a New Chiral Phosphepine to the Catalytic Asymmetric Synthesis of Highly Functionalized Cyclopentenes That Bear an Array of Heteroatom-Substituted Quaternary Stereocenters
Yuji Fujiwara; Gregory C. Fu; Journal of the American Chemical Society 133 (2011) 12293–12297; doi:10.1021/ja2049012

data_4106521
_publ_section_title
;
 Application of a New Chiral Phosphepine to the Catalytic Asymmetric
 Synthesis of Highly Functionalized Cyclopentenes That Bear an Array of
 Heteroatom-Substituted Quaternary Stereocenters
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12293
_journal_page_last               12297
_journal_paper_doi               10.1021/ja2049012
_journal_volume                  133
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_sum            'C34 H51 N O7'
_chemical_formula_weight         585.76
_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                 94.524(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.5202(3)
_cell_length_b                   10.1753(3)
_cell_length_c                   16.8674(5)
_cell_measurement_reflns_used    9195
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.19
_cell_measurement_theta_min      4.35
_cell_volume                     1628.87(9)
_computing_cell_refinement       'SAINT 7.46A (Bruker-AXS, 2010)'
_computing_data_collection       'APEX2 v2010.7.0 (Bruker-AXS, 2010)'
_computing_data_reduction        'SAINT 7.46A (Bruker-AXS, 2010)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Smart APEX2 CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0428
_diffrn_reflns_av_sigmaI/netI    0.0289
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            32466
_diffrn_reflns_theta_full        69.22
_diffrn_reflns_theta_max         69.22
_diffrn_reflns_theta_min         2.63
_exptl_absorpt_coefficient_mu    0.662
_exptl_absorpt_correction_T_max  0.9551
_exptl_absorpt_correction_T_min  0.7549
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_description       plate
_exptl_crystal_F_000             636
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.239
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     549
_refine_ls_number_reflns         5887
_refine_ls_number_restraints     714
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0511
_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^)+(0.0822P)^2^+0.4825P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1396
_refine_ls_wR_factor_ref         0.1448
_reflns_number_gt                5415
_reflns_number_total             5887
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2049012_si_006.cif
_cod_data_source_block           d11026
_cod_database_code               4106521