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Anionotropic shift of the 3‐substituent in the reaction of 2‐methoxy‐2,3‐dihydro‐3‐benzofuranols with boron trifluoride
Author(s) -
Caranti Luisa,
Zecchi Gaetano,
Pagi Ugo M.
Publication year - 1977
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570140318
Subject(s) - chemistry , boron trifluoride , substituent , boron , medicinal chemistry , organic chemistry , catalysis
The reaction of 2,3‐dihydro‐3‐benzofuranols 1a,c,d,f with boron trifluoride in boiling xylene gave 3‐(2 H )benzofuranones 2a,c,d,f in 40‐85% yield. This reaction was not observed in the case of 1b,e.
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