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Base‐catalyzed rearrangement of marginalin into a 2‐phenylbenzo[ b ]furan
Author(s) -
Barbier Michel
Publication year - 1991
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.199119910170
Subject(s) - furan , chemistry , medicinal chemistry , catalysis , base (topology) , stereochemistry , organic chemistry , mathematics , mathematical analysis
Marginalin [( E )‐ 1 or ( Z )‐ 2 ] is rearranged by bases to the strongly fluorescent 5‐hydroxy‐2‐(4′‐hydroxyphenyl)‐3‐benzo[ b ]furancarboxylic acid ( 3 ) or to methyl 5‐hydroxy‐2‐(4′‐hydroxyphenyl)‐7‐methoxy‐3‐benzo[ b ]furancarboxylate ( 4 ).