Synthesis of 1,3-diaryl-spiro[azetidine-2,3′-indoline]-2′,4-diones via the Staudinger reaction: cis- or trans-diastereoselectivity with different addition modes
Filatov, Vadim; Kukushkin, Maksim; Kuznetsova, Juliana; Skvortsov, Dmitry; Tafeenko, Viktor; Zyk, Nikolay; Majouga, Alexander; Beloglazkina, Elena; RSC Advances 10 (2020) 14122–14133; doi:10.1039/D0RA02374D

data_7240271
_publ_section_title
;
 Synthesis of
 1,3-diaryl-spiro[azetidine-2,3&#x2032;-indoline]-2&#x2032;,4-diones via
 the Staudinger reaction: cis- or trans-diastereoselectivity with
 different addition modes
;
_journal_issue                   24
_journal_name_full               'RSC Advances'
_journal_page_first              14122
_journal_page_last               14133
_journal_paper_doi               10.1039/D0RA02374D
_journal_volume                  10
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H14 Cl F N2 O2'
_chemical_formula_sum            'C22 H14 Cl F N2 O2'
_chemical_formula_weight         392.80
_space_group_crystal_system      tetragonal
_space_group_IT_number           76
_space_group_name_Hall           'P 4w'
_space_group_name_H-M_alt        'P 41'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-11-04 deposited with the CCDC.	2020-03-31 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   11.6433(4)
_cell_length_b                   11.6433(4)
_cell_length_c                   27.2378(12)
_cell_measurement_reflns_used    22785
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.35
_cell_volume                     3692.5(2)
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      295
_diffrn_detector                 Pilatus100K
_diffrn_detector_area_resol_mean 5.81
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'stadivari pilatus100k'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '0.5 mm diameter, monocapillary'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.118
_diffrn_reflns_av_unetI/netI     0.105
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            54705
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.960
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.844
_diffrn_reflns_theta_min         1.749
_diffrn_source                   'Mo LFF Sealed Tube'
_diffrn_source_current           40
_diffrn_source_power             2.000
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.237
_exptl_absorpt_correction_T_max  0.620
_exptl_absorpt_correction_T_min  0.508
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1616
_exptl_crystal_size_max          .32
_exptl_crystal_size_mid          .24
_exptl_crystal_size_min          .23
_refine_diff_density_max         0.931
_refine_diff_density_min         -0.685
_refine_diff_density_rms         0.238
_refine_ls_abs_structure_details
;
 Flack x determined using 1188 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.92(10)
_refine_ls_extinction_coef       0.045(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   0.929
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     506
_refine_ls_number_reflns         9279
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.929
_refine_ls_R_factor_all          0.2100
_refine_ls_R_factor_gt           0.0864
_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^)+(0.1335P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1717
_refine_ls_wR_factor_ref         0.2662
_reflns_Friedel_coverage         0.922
_reflns_Friedel_fraction_full    0.994
_reflns_Friedel_fraction_max     0.940
_reflns_number_gt                3584
_reflns_number_total             9279
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ra02374d2.cif
_cod_data_source_block           FVE2C
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_absolute_configuration' value 'AD' was changed
to 'ad' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7240267--7240271.cif.
;
_cod_original_cell_volume        3692.5(3)
_cod_database_code               7240271
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              96596