Ring opening/C-N cyclization of activated aziridines with carbon nucleophiles: highly diastereo- and enantioselective synthesis of tetrahydroquinolines.
Ghorai, Manas K.; Nanaji, Y.; Yadav, A. K.; Organic letters 13 (2011) 4256–4259; doi:10.1021/ol2016077

data_1502337
_publ_section_title
;
 Ring opening/C-N cyclization of activated aziridines with carbon
 nucleophiles: highly diastereo- and enantioselective synthesis of
 tetrahydroquinolines.
;
_journal_issue                   16
_journal_name_full               'Organic letters'
_journal_page_first              4256
_journal_page_last               4259
_journal_paper_doi               10.1021/ol2016077
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C20 H20 N2 O2 S'
_chemical_formula_sum            'C20 H20 N2 O2 S'
_chemical_formula_weight         352.44
_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                90.000
_cell_angle_beta                 110.366(5)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   8.996(4)
_cell_length_b                   17.247(6)
_cell_length_c                   11.869(5)
_cell_measurement_reflns_used    2517
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.38
_cell_measurement_theta_min      2.18
_cell_volume                     1726.4(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-3
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.0416
_diffrn_reflns_av_sigmaI/netI    0.0464
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9555
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.18
_exptl_absorpt_coefficient_mu    0.204
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.985
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Bruker, 2002)'
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Cube
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.479
_refine_diff_density_min         -0.376
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3381
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.0642
_refine_ls_R_factor_gt           0.0510
_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^)+(0.1032P)^2^+0.9363P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1358
_refine_ls_wR_factor_ref         0.1533
_reflns_number_gt                2701
_reflns_number_total             3381
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol2016077_si_002.cif
_cod_data_source_block           12a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_hydrogen_treatment' value 'Constr' changed
to 'constr' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1726.4(13)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1502337