Construction of indeno[1,2-a]fluorene via domino reaction of 1,3-indanedione and 3-arylideneindolin-2-ones or chalcones.
Cao, Jun; Sun, Jing; Yan, Chao-Guo; Organic & biomolecular chemistry 17 (2019) 9008–9013; doi:10.1039/c9ob01779h

data_7157096
_publ_section_title
;
 Construction of indeno[1,2-a]fluorene via domino reaction of
 1,3-indanedione and 3-arylideneindolin-2-ones or chalcones.
;
_journal_issue                   40
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              9008
_journal_page_last               9013
_journal_paper_doi               10.1039/c9ob01779h
_journal_volume                  17
_journal_year                    2019
_chemical_formula_moiety         'C28 H15 Br O3'
_chemical_formula_sum            'C28 H15 Br O3'
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_audit_update_record
;
2019-05-24 deposited with the CCDC.    2019-09-20 downloaded from the CCDC.
;
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_diffrn_measurement_device_type  'CCD area detector'
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0371P)^2^+1.0625P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           4n
_cod_depositor_comments
'Adding full bibliography for 7157095--7157106.cif.'
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