A Highly Diastereo- and Enantioselective Synthesis of Tetrahydroquinolines: Quaternary Stereogenic Center Inversion and Functionalization
Chaosheng Luo; Yong Huang; Journal of the American Chemical Society 135 (2013) 8193–8196; doi:10.1021/ja4040945

data_4119878
_publ_section_title
;
 A Highly Diastereo- and Enantioselective Synthesis of
 Tetrahydroquinolines: Quaternary Stereogenic Center Inversion and
 Functionalization
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8193
_journal_page_last               8196
_journal_paper_doi               10.1021/ja4040945
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C21 H22 N2 O5'
_chemical_formula_sum            'C21 H22 N2 O5'
_chemical_formula_weight         382.41
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 91.640(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.1051(4)
_cell_length_b                   9.1330(2)
_cell_length_c                   18.7882(13)
_cell_measurement_reflns_used    18926
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      68.20
_cell_measurement_theta_min      7.00
_cell_volume                     3963.0(3)
_computing_cell_refinement       'CrystalClear-SM Auto 2.0 r4'
_computing_data_collection       'CrystalClear-SM Auto 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Auto 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku Saturn944+ CCD'
_diffrn_measurement_method       \w
_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  0.0424
_diffrn_reflns_av_sigmaI/netI    0.0285
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            23555
_diffrn_reflns_theta_full        68.22
_diffrn_reflns_theta_max         68.22
_diffrn_reflns_theta_min         6.99
_exptl_absorpt_coefficient_mu    0.761
_exptl_absorpt_correction_T_max  0.892
_exptl_absorpt_correction_T_min  0.706
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_description       plate
_exptl_crystal_F_000             1616
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.176
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     260
_refine_ls_number_reflns         3593
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0507
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0730P)^2^+1.0833P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1133
_refine_ls_wR_factor_ref         0.1204
_reflns_number_gt                2866
_reflns_number_total             3593
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja4040945_93.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4119878