Construction of Bispirooxindole Heterocycles via Palladium-Catalyzed Ring-Opening Formal [3 + 2]-Cycloaddition of Spirovinylcyclopropyl Oxindole and 3-Oxindole Derivatives.
Xiao, Jun-An; Li, Yu-Chun; Luo, Zhi-Jin; Cheng, Xiu-Liang; Deng, Zhi-Xiong; Chen, Wen-Qiang; Su, Wei; Yang, Hua; The Journal of organic chemistry 84 (2019) 2297–2306; doi:10.1021/acs.joc.8b02889

data_4033739
_publ_section_title
;
 Construction of Bispirooxindole Heterocycles via Palladium-Catalyzed
 Ring-Opening Formal [3 + 2]-Cycloaddition of Spirovinylcyclopropyl
 Oxindole and 3-Oxindole Derivatives.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2297
_journal_page_last               2306
_journal_paper_doi               10.1021/acs.joc.8b02889
_journal_volume                  84
_journal_year                    2019
_chemical_formula_sum            'C19 H16 Cl N O'
_chemical_formula_weight         309.80
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.5381(11)
_cell_length_b                   12.1234(11)
_cell_length_c                   21.6325(19)
_cell_measurement_reflns_used    7543
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      3.00
_cell_volume                     3288.2(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0938
_diffrn_reflns_av_sigmaI/netI    0.0868
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            49011
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.233
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.251
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BAR
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.158
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.55(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         7543
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1494
_refine_ls_R_factor_gt           0.0624
_refine_ls_shift/su_max          0.072
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0609P)^2^+0.1052P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1065
_refine_ls_wR_factor_ref         0.1301
_reflns_number_gt                4173
_reflns_number_total             7543
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8b02889_si_002.cif
_cod_data_source_block           ja
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 

2020-09-21
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_original_formula_sum        'C3.62 H3.05 Cl0.19 N0.19 O0.19'
_cod_original_formula_units_Z    42
_cod_original_formula_weight     59.01
_cod_database_code               4033739