Domino reaction of bindone and 1,3-dipolarophiles for the synthesis of diverse spiro and fused indeno[1,2-<i>a</i>]fluorene-7,12-diones.
Liu, Dan; Liu, Xueyan; Sun, Jing; Han, Ying; Yan, Chao-Guo; Organic & biomolecular chemistry 20 (2022) 4964–4969; doi:10.1039/d2ob00815g

data_7158714
_publ_section_title
;
 Domino reaction of bindone and 1,3-dipolarophiles for the synthesis of
 diverse spiro and fused indeno[1,2-<i>a</i>]fluorene-7,12-diones.
;
_journal_issue                   24
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4964
_journal_page_last               4969
_journal_paper_doi               10.1039/d2ob00815g
_journal_volume                  20
_journal_year                    2022
_chemical_formula_moiety         'C35 H20 O5'
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_audit_update_record
;
2022-03-21 deposited with the CCDC.	2022-05-30 downloaded from the CCDC.
;
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
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_diffrn_reflns_Laue_measured_fraction_full 0.998
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_exptl_absorpt_coefficient_mu    0.096
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
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_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1941
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_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^)+(0.0529P)^2^+0.4656P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1091
_refine_ls_wR_factor_ref         0.1460
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_reflns_number_gt                2070
_reflns_number_total             4711
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ob00815g2.cif
_cod_data_source_block           7d
_cod_depositor_comments
'Adding full bibliography for 7158713--7158721.cif.'
_cod_original_cell_volume        2402.1(6)
_cod_original_sg_symbol_H-M      'P 21/n'
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