Synthesis of 3-[(coumarinyl)carbonyl]-3a,8b-dihyroindeno[1,2-b]pyrrole-4(1H)-ones and their conversion to coumarin bearing spiro[isobenzofuran-1,2′-pyrrole] moiety compounds via oxidative cleavage reaction
Alizadeh, Abdolali; Ghanbaripour, Rashid; Feizabadi, Masoumeh; Zhu, Long-Guan; Dusek, Michal; RSC Adv. 5 (2015) 80518–; doi:10.1039/C5RA15405G

data_7222281
_publ_section_title
;
 Synthesis of
 3-[(coumarinyl)carbonyl]-3a,8b-dihyroindeno[1,2-b]pyrrole-4(1H)-ones and
 their conversion to coumarin bearing
 spiro[isobenzofuran-1,2&#x2032;-pyrrole] moiety compounds via oxidative
 cleavage reaction
;
_journal_issue                   98
_journal_name_full               'RSC Adv.'
_journal_page_first              80518
_journal_paper_doi               10.1039/C5RA15405G
_journal_volume                  5
_journal_year                    2015
_chemical_formula_sum            'C31 H21 N2 O6'
_chemical_formula_weight         517.50
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_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_creation_method           SHELXL-97
_audit_update_record
;
2013-04-24 deposited with the CCDC.
2015-09-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.961(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.2650(13)
_cell_length_b                   14.1121(10)
_cell_length_c                   14.5519(9)
_cell_measurement_temperature    293(2)
_cell_volume                     5181.4(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0524
_diffrn_reflns_av_sigmaI/netI    0.0524
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            15785
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.82
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9762
_exptl_absorpt_correction_T_min  0.9619
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2152
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.674
_refine_diff_density_min         -0.446
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         4571
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.1408
_refine_ls_R_factor_gt           0.1076
_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^)+(0.0607P)^2^+42.8156P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2509
_refine_ls_wR_factor_ref         0.2682
_reflns_number_gt                3149
_reflns_number_total             4571
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra15405g2.cif
_cod_data_source_block           ec1nin
_cod_database_code               7222281