Synthesis of 7'-Arylidenespiro[indoline-3,1'-pyrrolizines] and 7'-Arylidenespiro[indene-2,1'-pyrrolizines] via [3 + 2] Cycloaddition and β-C-H Functionalized Pyrrolidine.
Huang, Ying; Fang, Hui-Lin; Huang, Yi-Xin; Sun, Jing; Yan, Chao-Guo; The Journal of organic chemistry 84 (2019) 12437–12451; doi:10.1021/acs.joc.9b01920

data_4033977
_publ_section_title
;
 Synthesis of 7'-Arylidenespiro[indoline-3,1'-pyrrolizines] and
 7'-Arylidenespiro[indene-2,1'-pyrrolizines] via [3 + 2] Cycloaddition and
 \b-C-H Functionalized Pyrrolidine.
;
_journal_issue                   19
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              12437
_journal_page_last               12451
_journal_paper_doi               10.1021/acs.joc.9b01920
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C36 H34 N2 O'
_chemical_formula_sum            'C36 H34 N2 O'
_chemical_formula_weight         510.65
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 108.56(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   33.92(3)
_cell_length_b                   17.611(10)
_cell_length_c                   12.341(8)
_cell_measurement_reflns_used    1516
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      18.84
_cell_measurement_theta_min      2.22
_cell_volume                     6989(9)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.5074
_diffrn_reflns_av_unetI/netI     0.5085
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            26390
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.017
_exptl_absorpt_coefficient_mu    0.058
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.986
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.971
_exptl_crystal_description       block
_exptl_crystal_F_000             2176
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.548
_refine_diff_density_min         -0.841
_refine_diff_density_rms         0.103
_refine_ls_extinction_coef       0.0047(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     356
_refine_ls_number_reflns         6120
_refine_ls_number_restraints     252
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.3975
_refine_ls_R_factor_gt           0.1748
_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^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.4080
_refine_ls_wR_factor_ref         0.4684
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1693
_reflns_number_total             6120
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b01920_si_002.cif
_cod_data_source_block           2d
_cod_original_cell_volume        6988(8)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4033977
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.986
_shelx_estimated_absorpt_t_max   0.988
_shelx_res_checksum              30781
_shelx_hkl_checksum              37048
_shelx_fab_checksum              77810