Asymmetric construction of quaternary stereocenters by direct organocatalytic amination of 3-substituted oxindoles.
Qian, Zi-Qing; Zhou, Feng; Du, Tai-Ping; Wang, Bo-Lun; Ding, Miao; Zhao, Xiao-Li; Zhou, Jian; Chemical communications (Cambridge, England)  (2009) 6753–6755; doi:10.1039/b915257a

data_7105030
_publ_section_title
;
 Asymmetric construction of quaternary stereocenters by direct
 organocatalytic amination of 3-substituted oxindoles.
;
_journal_issue                   44
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              6753
_journal_page_last               6755
_journal_paper_doi               10.1039/b915257a
_journal_year                    2009
_chemical_formula_sum            'C23 H26 Br N3 O5'
_chemical_formula_weight         504.38
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                115.6260(10)
_cell_angle_beta                 92.7780(10)
_cell_angle_gamma                107.0370(10)
_cell_formula_units_Z            2
_cell_length_a                   9.0411(3)
_cell_length_b                   12.0586(4)
_cell_length_c                   12.8583(4)
_cell_measurement_temperature    296(2)
_cell_volume                     1183.27(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0198
_diffrn_reflns_av_sigmaI/netI    0.0198
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13845
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    1.775
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.670721
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.523
_exptl_crystal_size_mid          0.282
_exptl_crystal_size_min          0.164
_refine_diff_density_max         0.639
_refine_diff_density_min         -0.681
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4139
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0526
_refine_ls_R_factor_gt           0.0404
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0491P)^2^+1.0162P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1019
_refine_ls_wR_factor_ref         0.1107
_reflns_number_gt                3348
_reflns_number_total             4139
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b915257a.txt
_cod_data_source_block           z
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7105030