Sequence of Intramolecular Carbonylation and Asymmetric Hydrogenation Reactions: Highly Regio- and Enantioselective Synthesis of Medium Ring Tricyclic Lactams
Shui-Ming Lu; Howard Alper; Journal of the American Chemical Society 130 (2008) 6451–6455; doi:10.1021/ja7111417

data_4107784
_publ_section_title
;
 Sequence of Intramolecular Carbonylation and Asymmetric Hydrogenation
 Reactions: Highly Regio- and Enantioselective Synthesis of Medium Ring
 Tricyclic Lactams
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6451
_journal_page_last               6455
_journal_paper_doi               10.1021/ja7111417
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C15 H11 N O2'
_chemical_formula_weight         237.25
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           146
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                120.00
_cell_formula_units_Z            9
_cell_length_a                   19.435(3)
_cell_length_b                   19.435(3)
_cell_length_c                   8.189(2)
_cell_measurement_reflns_used    851
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      24.73
_cell_measurement_theta_min      2.77
_cell_volume                     2678.7(9)
_computing_cell_refinement       'SMART, Bruker (2000)'
_computing_data_collection       'SMART, Bruker (2000)'
_computing_data_reduction        'XPREP, Bruker (2000)'
_computing_molecular_graphics    'SHELXTL, Bruker (2000)'
_computing_publication_material  'SHELXTL, Bruker (2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_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  0.0259
_diffrn_reflns_av_sigmaI/netI    0.0244
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6553
_diffrn_reflns_theta_full        24.73
_diffrn_reflns_theta_max         24.73
_diffrn_reflns_theta_min         3.47
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9825
_exptl_absorpt_correction_T_min  0.9612
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2000)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             1116
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.116
_refine_diff_density_min         -0.119
_refine_diff_density_rms         0.026
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         1929
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0275
_refine_ls_R_factor_gt           0.0263
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0367P)^2^+0.9337P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0682
_refine_ls_wR_factor_ref         0.0691
_reflns_number_gt                1866
_reflns_number_total             1929
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja7111417-file003.cif
_cod_data_source_block           ha20
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2678.8(9)
_cod_original_sg_symbol_H-M      'R 3'
_cod_database_code               4107784