Enantioselective construction of 3-substituted 3-amino-2-oxindoles containing an N,N-ketal skeleton via organocatalyzed aza-addition of isatin imines.
Zhang, Chen; Shang, Xinye; Cheng, Yuyu; Li, Fushuai; Zhao, Hanhui; Li, Pengfei; Li, Wenjun; Organic & biomolecular chemistry 17 (2019) 8374–8378; doi:10.1039/c9ob01870k

data_7157053
_publ_section_title
;
 Enantioselective construction of 3-substituted 3-amino-2-oxindoles
 containing an N,N-ketal skeleton via organocatalyzed aza-addition of
 isatin imines.
;
_journal_issue                   36
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8374
_journal_page_last               8378
_journal_paper_doi               10.1039/c9ob01870k
_journal_volume                  17
_journal_year                    2019
_chemical_formula_moiety         'C30 H28 Br N3 O3'
_chemical_formula_sum            'C30 H28 Br N3 O3'
_chemical_formula_weight         558.46
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2018-12-19
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-05-29 deposited with the CCDC.    2019-08-28 downloaded from the CCDC.
;
_cell_angle_alpha                65.813(2)
_cell_angle_beta                 85.063(2)
_cell_angle_gamma                89.505(2)
_cell_formula_units_Z            2
_cell_length_a                   9.7016(6)
_cell_length_b                   11.8988(7)
_cell_length_c                   12.2186(7)
_cell_measurement_reflns_used    9978
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.67
_cell_volume                     1281.34(13)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker PHOTO 100 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker PHOTO 100 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0457
_diffrn_reflns_av_unetI/netI     0.0390
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            23597
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.552
_diffrn_reflns_theta_min         2.667
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.642
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6129
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0817 before and 0.0541 after correction. The Ratio of minimum to maximum transmission is 0.8220. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.447
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         5923
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0330
_refine_ls_R_factor_gt           0.0279
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0240P)^2^+0.7072P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0663
_refine_ls_wR_factor_ref         0.0684
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5369
_reflns_number_total             5923
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob01870k2.cif
_cod_data_source_block           cxy0590_0m
_cod_depositor_comments
'Adding full bibliography for 7157049--7157053.cif.'
_cod_database_code               7157053
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.574
_shelx_estimated_absorpt_t_min   0.525
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Riding coordinates:
 N2(H2), N3(H3)
2.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2A), C3(H3A), C9(H9), C11(H11), C12(H12), C13(H13), C14(H14),
 C15(H15), C23(H23), C24(H24), C26(H26), C27(H27), C28(H28), C30(H30)
2.d Idealised Me refined as rotating group:
 C20(H20A,H20B,H20C), C21(H21A,H21B,H21C), C22(H22A,H22B,H22C)
;
_olex2_submission_special_instructions 'No special instructions were received'