Construction of Dispiro-Indenone Scaffolds via Domino Cycloaddition Reactions of α,β-Unsaturated Aldimines with 2-Arylidene-1,3-indenediones and 2,2'-(Arylmethylene)bis(1,3-indenediones).
Yang, Wen-Juan; Fang, Hui-Lin; Sun, Jing; Yan, Chao-Guo; ACS omega 4 (2019) 13553–13569; doi:10.1021/acsomega.9b01960

data_4514982
_publ_section_title
;
 Construction of Dispiro-Indenone Scaffolds via Domino Cycloaddition
 Reactions of \a,\b-Unsaturated Aldimines with
 2-Arylidene-1,3-indenediones and
 2,2'-(Arylmethylene)bis(1,3-indenediones).
;
_journal_issue                   8
_journal_name_full               'ACS omega'
_journal_page_first              13553
_journal_page_last               13569
_journal_paper_doi               10.1021/acsomega.9b01960
_journal_volume                  4
_journal_year                    2019
_chemical_formula_moiety         'C47 H31 Br2 N O4'
_chemical_formula_sum            'C47 H31 Br2 N O4'
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_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2yn'
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_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
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_cell_angle_beta                 103.334(4)
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_cell_length_b                   27.537(4)
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.84
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_diffrn_ambient_temperature      296(2)
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_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
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_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1072
_diffrn_reflns_av_unetI/netI     0.1245
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
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_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       30
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_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
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_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         1.895
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_exptl_absorpt_correction_T_max  0.668
_exptl_absorpt_correction_T_min  0.622
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_description       block
_exptl_crystal_F_000             1688
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.200
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_refine_diff_density_min         -0.730
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_refine_ls_extinction_coef       0.0029(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
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_refine_ls_number_reflns         8052
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.1610
_refine_ls_R_factor_gt           0.0696
_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^)+(0.0907P)^2^+2.9874P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                4012
_reflns_number_total             8052
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao9b01960_si_002.cif
_cod_data_source_block           3e
_cod_original_cell_volume        4105.6(10)
_cod_database_code               4514982
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.643
_shelx_estimated_absorpt_t_max   0.688
_shelx_res_checksum              38118
_shelx_hkl_checksum              58514
_shelx_fab_checksum              44893