Construction of Dispirocyclopentanebisoxindoles via Self-Domino Michael-Aldol Reactions of 3-Phenacylideneoxindoles
Jing Sun; Ya-Jing Xie; Chao-Guo Yan; Journal of Organic Chemistry 78 (2013) 8354–8365; doi:10.1021/jo4010603

data_4028521
_publ_contact_author_address
;
      College of Chemistry & Chemical Engineering
      Yangzhou University
      Yangzhou 225002, 
      P.R. China
;
_publ_contact_author_email       cgyan@yzu.edu.cn
_publ_contact_author_fax         +86-514-87975590-8401
_publ_contact_author_name        'Chao-Guo Yan'
_publ_contact_author_phone       +86-514-87975531
_publ_section_title
;
 Construction of Dispirocyclopentanebisoxindoles via Self-Domino
 Michael-Aldol Reactions of 3-Phenacylideneoxindoles
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8354
_journal_page_last               8365
_journal_paper_doi               10.1021/jo4010603
_journal_volume                  78
_journal_year                    2013
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C46 H32 Cl4 N2 O4'
_chemical_formula_sum            'C46 H32 Cl4 N2 O4'
_chemical_formula_weight         818.54
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.8690(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.2274(10)
_cell_length_b                   12.2634(12)
_cell_length_c                   17.1688(17)
_cell_measurement_reflns_used    9421
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.22
_cell_measurement_theta_min      2.24
_cell_volume                     2145.6(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0245
_diffrn_reflns_av_sigmaI/netI    0.0371
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18704
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    0.320
_exptl_absorpt_correction_T_max  0.926
_exptl_absorpt_correction_T_min  0.903
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_description       block
_exptl_crystal_F_000             844.0
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_platon_squeeze_details          ' '
_refine_diff_density_max         0.258
_refine_diff_density_min         -0.237
_refine_diff_density_rms         0.058
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.000(1)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     506
_refine_ls_number_reflns         9644
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0381
_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^)+(0.0673P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0993
_refine_ls_wR_factor_ref         0.1039
_reflns_number_gt                8363
_reflns_number_total             9644
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo4010603_si_001_08.cif
_cod_data_source_block           4g
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4028521