A regioselective [3 + 2] cycloaddition reaction of 2-benzylidene-1-indenones with functional olefins to access indanone-fused 2D/3D skeletons.
Deng, Yi-Hang; Zhang, Chuan-Bao; Sun, Jun-Jie; Xu, Wen-Li; Fu, Ji-Ya; Organic & biomolecular chemistry 21 (2023) 4388–4392; doi:10.1039/d3ob00559c

data_7159338
_publ_section_title
;
 A regioselective [3 + 2] cycloaddition reaction of
 2-benzylidene-1-indenones with functional olefins to access
 indanone-fused 2D/3D skeletons.
;
_journal_issue                   21
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4388
_journal_page_last               4392
_journal_paper_doi               10.1039/d3ob00559c
_journal_volume                  21
_journal_year                    2023
_chemical_formula_moiety         'C31 H21 Br O3'
_chemical_formula_sum            'C31 H21 Br O3'
_chemical_formula_weight         521.39
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_update_record
;
2022-12-12 deposited with the CCDC.	2023-04-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 117.668(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.3698(5)
_cell_length_b                   17.4754(8)
_cell_length_c                   12.4146(5)
_cell_measurement_reflns_used    9670
_cell_measurement_temperature    150.(2)
_cell_measurement_theta_max      72.1420
_cell_measurement_theta_min      4.7518
_cell_volume                     2376.76(18)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'Bruker Instrument Service vV6.2.15'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 882)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150.(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 0.936
_diffrn_measured_fraction_theta_max 0.936
_diffrn_measurement_device_type  'Bruker D8 QUEST PHOTON II'
_diffrn_radiation_monochromator  'Helixos MX multilayer Optic'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0679
_diffrn_reflns_av_unetI/netI     0.0370
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            37763
_diffrn_reflns_theta_full        72.14
_diffrn_reflns_theta_max         72.14
_diffrn_reflns_theta_min         6.47
_diffrn_source                   'Ius Diamond'
_diffrn_source_type              Microfocus
_exptl_absorpt_coefficient_mu    2.611
_exptl_absorpt_correction_T_max  0.37
_exptl_absorpt_correction_T_min  0.10
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_density_diffrn    1.457
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.660
_exptl_crystal_size_mid          0.500
_exptl_crystal_size_min          0.480
_refine_diff_density_max         1.529
_refine_diff_density_min         -1.764
_refine_ls_extinction_coef       0.052(4)
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   1.200
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         4381
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.200
_refine_ls_R_factor_all          0.1129
_refine_ls_R_factor_gt           0.0816
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1994P)^2^+0.1433P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2020
_refine_ls_wR_factor_ref         0.2545
_reflns_number_gt                4080
_reflns_number_total             4381
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ob00559c2.cif
_cod_data_source_block           hd_fjy20
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' 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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7159338--7159339.cif.
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_cod_database_code               7159338
_shelx_res_checksum              20541