Aza-heterocyclic frameworks through intramolecular π-system trapping of spiro-N-acyliminiums generated from isoindolinone
Chortani, Sarra; Othman, Mohamed; Lawson, Ata Martin; Romdhane, Anis; Ben Jannet, Hichem; Knorr, Michael; Brieger, Lukas; Strohmann, Carsten; Daïch, Adam; New Journal of Chemistry 45 (2021) 2393–2403; doi:10.1039/D0NJ04052E

data_7060162
_publ_section_title
;
 Aza-heterocyclic frameworks through intramolecular \p-system trapping of
 spiro-N-acyliminiums generated from isoindolinone
;
_journal_issue                   5
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              2393
_journal_page_last               2403
_journal_paper_doi               10.1039/D0NJ04052E
_journal_volume                  45
_journal_year                    2021
_chemical_formula_sum            'C28 H26 N2 O4'
_chemical_formula_weight         454.51
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2020-08-11 deposited with the CCDC.	2020-11-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.14(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.4505(17)
_cell_length_b                   19.920(4)
_cell_length_c                   13.650(3)
_cell_measurement_reflns_used    20112
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      2.53
_cell_volume                     2291.8(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker AXS SMART 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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0254
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            20461
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.53
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.965
_exptl_absorpt_correction_T_min  0.962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Krause et al., 2015)'
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.39
_refine_diff_density_max         0.134
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         4679
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0466
_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^)+(0.0717P)^2^+0.3838P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1240
_refine_ls_wR_factor_ref         0.1308
_reflns_number_gt                3827
_reflns_number_total             4679
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0nj04052e2.cif
_cod_data_source_block           mk010707
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' 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 7060161--7060162.cif.
;
_cod_original_cell_volume        2291.7(8)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7060162