Efficient Construction of Diverse Spiro[indoline-3,4'-pyrrolo[3,4-b]pyridines] via [3+3] Cycloaddition of MBH Carbonates of Isatin with β-Enamino Maleimides
Pan, Liu-Na; Sun, Jing; Liu, Xue-Yan; Yan, Chaoguo; Organic & Biomolecular Chemistry  (2022) –; doi:10.1039/D2OB01257J

data_7158843
_publ_section_title
;
 Efficient Construction of Diverse
 Spiro[indoline-3,4'-pyrrolo[3,4-b]pyridines] via [3+3] Cycloaddition of
 MBH Carbonates of Isatin with \b-Enamino Maleimides
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/D2OB01257J
_journal_year                    2022
_chemical_formula_moiety         'C29 H21 Cl N4 O3'
_chemical_formula_sum            'C29 H21 Cl N4 O3'
_chemical_formula_weight         508.95
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2022-07-12 deposited with the CCDC.	2022-08-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.609(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.3989(11)
_cell_length_b                   11.1620(7)
_cell_length_c                   12.1197(7)
_cell_measurement_reflns_used    5215
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.34
_cell_measurement_theta_min      2.22
_cell_volume                     2477.1(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0656
_diffrn_reflns_av_unetI/netI     0.0670
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            22796
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.999
_diffrn_reflns_theta_min         1.112
_exptl_absorpt_coefficient_mu    0.194
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6653
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_description       block
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         4857
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.1168
_refine_ls_R_factor_gt           0.0511
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0442P)^2^+0.7191P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0954
_refine_ls_wR_factor_ref         0.1164
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2813
_reflns_number_total             4857
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ob01257j2.cif
_cod_data_source_block           4cc
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7158843
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.948
_shelx_estimated_absorpt_t_max   0.962
_shelx_res_checksum              79203
_shelx_hkl_checksum              74789