Desymmetrization of meso-Cyclic Imides via Enantioselective Monohydrogenation
Satoshi Takebayashi; Jeremy M. John; Steven H. Bergens; Journal of the American Chemical Society 132 (2010) 12832–12834; doi:10.1021/ja105783u

data_4103067
_publ_section_title
;
 Desymmetrization of meso-Cyclic Imides via Enantioselective
 Monohydrogenation
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12832
_journal_page_last               12834
_journal_paper_doi               10.1021/ja105783u
_journal_volume                  132
_journal_year                    2010
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C15 H14 F N O2'
_chemical_formula_sum            'C15 H14 F N O2'
_chemical_formula_weight         259.27
_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                   6.1944(4)
_cell_length_b                   12.7213(8)
_cell_length_c                   15.5031(9)
_cell_measurement_reflns_used    9934
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.63
_cell_volume                     1221.66(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w 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  0.0136
_diffrn_reflns_av_sigmaI/netI    0.0080
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10802
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9781
_exptl_absorpt_correction_T_min  0.9539
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.410
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.148
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.7(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         1633
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0304
_refine_ls_R_factor_gt           0.0295
_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^)+(0.0490P)^2^+0.2124P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0799
_refine_ls_wR_factor_ref         0.0810
_reflns_number_gt                1587
_reflns_number_total             1633
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja105783u_si_003.cif
_cod_data_source_block           shb1001
_cod_database_code               4103067