Stereocontrolled [3+2] Cycloaddition of Donor-Acceptor Cyclopropanes to Iminooxindoles: Access to Spiro[oxindole-3,2'-pyrrolidines].
Akaev, Andrey A.; Bezzubov, Stanislav I.; Desyatkin, Victor G.; Vorobyeva, Nataliya S.; Majouga, Alexander G.; Melnikov, Mikhail Ya; Budynina, Ekaterina M.; The Journal of organic chemistry 84 (2019) 3340–3356; doi:10.1021/acs.joc.8b03208

data_4033922
_publ_contact_author             'Ekaterina Budynina'
_publ_section_title
;
 Stereocontrolled [3+2] Cycloaddition of Donor-Acceptor Cyclopropanes to
 Iminooxindoles: Access to Spiro[oxindole-3,2'-pyrrolidines].
;
_journal_issue                   6
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              3340
_journal_page_last               3356
_journal_paper_doi               10.1021/acs.joc.8b03208
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C33 H31 N3 O3 S'
_chemical_formula_sum            'C33 H31 N3 O3 S'
_chemical_formula_weight         549.67
_chemical_melting_point_gt       603
_chemical_melting_point_lt       604
_chemical_name_systematic
;
(3RS,4&#x0092;RS,5&#x0092;RS)-1&#x0092;&#x0092;-Methyl-1&#x0092;,5&#x0092;-diphenyldispiro[indoline-3,2&#x0092;-pyrrolidine-4&#x0092;,3&#x0092;&#x0092;-indoline]-2,2&#x0092;&#x0092;-dione
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                63.0040(10)
_cell_angle_beta                 89.6560(10)
_cell_angle_gamma                82.7790(10)
_cell_formula_units_Z            4
_cell_length_a                   11.1221(2)
_cell_length_b                   16.7305(3)
_cell_length_c                   16.8112(3)
_cell_measurement_reflns_used    9961
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      26.192
_cell_measurement_theta_min      2.149
_cell_volume                     2760.62(9)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART APEX II'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0341
_diffrn_reflns_av_unetI/netI     0.0422
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            35430
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.999
_diffrn_reflns_theta_min         2.149
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.158
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.300
_exptl_transmission_factor_max   0.954
_exptl_transmission_factor_min   0.925
_refine_diff_density_max         1.200
_refine_diff_density_min         -0.525
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     735
_refine_ls_number_reflns         13236
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0452
_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^)+(0.0680P)^2^+0.7110P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1157
_refine_ls_wR_factor_ref         0.1272
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10207
_reflns_number_total             13236
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b03208_si_003.cif
_cod_data_source_block           3ao'
_cod_database_code               4033922
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.925
_shelx_estimated_absorpt_t_max   0.954
_shelx_res_checksum              53793
_shelx_hkl_checksum              65456