Two-carbon ring expansion of isatin: a convenient construction of a dibenzo[b,d]azepinone scaffold
Rong-Guo Shi; Xiao-Hua Wang; Ruzhang Liu; Chao-Guo Yan; Chem.Commun. 52 (2016) 6280–; doi:

data_7119077
_publ_section_title
;
 Two-carbon ring expansion of isatin: a convenient construction of a
 dibenzo[b,d]azepinone scaffold
;
_journal_name_full               Chem.Commun.
_journal_page_first              6280
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C21 H14 Cl N O5'
_chemical_formula_sum            'C21 H14 Cl N O5'
_chemical_formula_weight         395.78
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc1kkq0v
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-01-13 deposited with the CCDC.
2016-04-04 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 115.973(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.142(2)
_cell_length_b                   15.2704(16)
_cell_length_c                   12.2599(17)
_cell_measurement_reflns_used    9920
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.40
_cell_measurement_theta_min      2.67
_cell_volume                     3726.6(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(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  0.0902
_diffrn_reflns_av_sigmaI/netI    0.0545
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            25559
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    0.238
_exptl_absorpt_correction_T_max  0.944
_exptl_absorpt_correction_T_min  0.927
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         4281
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0758
_refine_ls_R_factor_gt           0.0560
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0881P)^2^+1.1336P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1484
_refine_ls_wR_factor_ref         0.1636
_reflns_number_gt                3167
_reflns_number_total             4281
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc00525j2.cif
_cod_data_source_block           2h
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7119077