Synthesis of 4H-chromenes by an unexpected, K3PO4-mediated intramolecular Rauhut-Currier type reaction.
Bhunia, Anup; Yetra, Santhivardhana Reddy; Gonnade, Rajesh G.; Biju, Akkattu T.; Organic & biomolecular chemistry 14 (2016) 5612–5616; doi:10.1039/c6ob00654j

data_7155088
_publ_section_title
;
 Synthesis of 4H-chromenes by an unexpected, K3PO4-mediated intramolecular
 Rauhut-Currier type reaction.
;
_journal_issue                   24
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5612
_journal_page_last               5616
_journal_paper_doi               10.1039/c6ob00654j
_journal_volume                  14
_journal_year                    2016
_chemical_formula_moiety         'C25 H20 O3'
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_atom_sites_solution_hydrogens   mixed
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_audit_update_record
;
2016-02-02 deposited with the CCDC.
2016-04-19 downloaded from the CCDC.
;
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_diffrn_radiation_monochromator  graphite
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'Re-crystallisation from solvent: ethyl acetate - petroleum ether'
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'w=1/[\s^2^(Fo^2^)+(0.0473P)^2^+0.6266P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_depositor_comments
'Adding full bibliography for 7155087--7155088.cif.'
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