Squaramide-catalyzed asymmetric Michael/cyclization cascade reaction of 3-isothiocyanato oxindoles with chalcones for synthesis of pyrrolidinyl spirooxindoles
Lin, Ye; Liu, Lei; Du, Da-Ming; Organic Chemistry Frontiers 4 (2017) 1229–; doi:10.1039/C6QO00852F

data_1553636
_publ_section_title
;
 Squaramide-catalyzed asymmetric Michael/cyclization cascade reaction of
 3-isothiocyanato oxindoles with chalcones for synthesis of pyrrolidinyl
 spirooxindoles
;
_journal_issue                   7
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              1229
_journal_paper_doi               10.1039/C6QO00852F
_journal_volume                  4
_journal_year                    2017
_chemical_formula_moiety         'C25 H20 N2 O2 S'
_chemical_formula_sum            'C25 H20 N2 O2 S'
_chemical_formula_weight         412.49
_chemical_melting_point          501.5(5)
_chemical_name_systematic
(2'R,3'R,4'R)-4'-benzoyl-1-methyl-3'-phenyl-5'-thioxospiro[indoline-3,2'-pyrrolidin]-2-one
_chemical_properties_physical    ', Air-sensitive'
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-11-29 deposited with the CCDC.
2017-03-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7445(12)
_cell_length_b                   13.971(2)
_cell_length_c                   19.150(3)
_cell_measurement_reflns_used    8975
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      31.502
_cell_measurement_theta_min      2.579
_cell_volume                     2072.0(5)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  AFC10/Saturn724+
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0341
_diffrn_reflns_av_sigmaI/netI    0.0388
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            27704
_diffrn_reflns_theta_full        31.50
_diffrn_reflns_theta_max         31.50
_diffrn_reflns_theta_min         3.01
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.181
_exptl_absorpt_correction_T_max  0.9910
_exptl_absorpt_correction_T_min  0.9444
_exptl_absorpt_correction_type   Multi-scans
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.322
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             864
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: petroleum ether-ethyl acetate'
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         6908
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0394
_refine_ls_R_factor_gt           0.0361
_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^)+(0.0453P)^2^+0.0160P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0827
_reflns_number_gt                6447
_reflns_number_total             6908
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6qo00852f2.cif
_cod_data_source_block           bo4618
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value '501-502' was changed to
'501.5(5)' -- the average value was taken and precision was
estimated.

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/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 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1553636