Synthesis of indenofurans, benzofurans and spiro-lactones via Hauser-Kraus annulation involving 1,6-addition of phthalide to quinone methides.
Basu, Pallabita; Satam, Nishikant; Namboothiri, Irishi N. N.; Organic & biomolecular chemistry 18 (2020) 5677–5687; doi:10.1039/d0ob01115k

data_7157578
_publ_section_title
;
 Synthesis of indenofurans, benzofurans and spiro-lactones via
 Hauser-Kraus annulation involving 1,6-addition of phthalide to quinone
 methides.
;
_journal_issue                   29
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5677
_journal_page_last               5687
_journal_paper_doi               10.1039/d0ob01115k
_journal_volume                  18
_journal_year                    2020
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;
2020-04-04 deposited with the CCDC.	2020-07-07 downloaded from the CCDC.
;
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'dtrek-CrysAlisPro-abstract goniometer imported rigaku-d*trek images'
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'CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)'
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.1390P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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'Adding full bibliography for 7157576--7157578.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
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