Substrate-Controlled Rh(III)-Catalyzed Regiodivergent Annulation to Fused and Spiro Benzimidazoles
Huang, Ying-Ti; Barve, Indrajeet; Huang, Yi-Ting; Dhole, Sandip; Chiu, Wei-Jung; Sun, Chung-Ming; Organic & Biomolecular Chemistry  (2022) –; doi:10.1039/D2OB00906D

data_7158808
_publ_section_title
;
 Substrate-Controlled Rh(III)-Catalyzed Regiodivergent Annulation to Fused
 and Spiro Benzimidazoles
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/D2OB00906D
_journal_year                    2022
_chemical_formula_sum            'C19 H15 N3 O2'
_chemical_formula_weight         317.34
_chemical_name_systematic
1',4-dimethylspiro[benzo[4,5]imidazo[2,1-a]isoindole-11,3'-pyrrolidine]-2',5'-dione
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2021-12-27 deposited with the CCDC.	2022-08-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.250(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.0754(12)
_cell_length_b                   15.6627(11)
_cell_length_c                   11.5969(6)
_cell_measurement_reflns_used    4869
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.1124
_cell_measurement_theta_min      2.6008
_cell_volume                     3282.4(4)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0471
_diffrn_reflns_av_unetI/netI     0.0650
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10299
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.336
_diffrn_reflns_theta_min         1.721
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6768
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       acicular
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.131
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3328
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.1152
_refine_ls_R_factor_gt           0.0688
_refine_ls_shift/su_max          0.016
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0901P)^2^+7.0724P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1769
_refine_ls_wR_factor_ref         0.2016
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2132
_reflns_number_total             3328
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ob00906d2.cif
_cod_data_source_block           200739LT_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7158808
_shelxl_version_number           2014/6
_shelx_res_checksum              32772