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4- Hydroxybenzo furan-1 -ones

Also obtained by action of hot aqueous sodium carbonate on 2,3-dihydro-2-hydroxybenzo[b] furan-3-one (m.p. 108 ) (SM) at 100 for 1 h (33%). SM was obtained by oxidation of 2-hydroxyacetophenone with selenium dioxide [5057]. [Pg.1370]

See other pages where 4- Hydroxybenzo furan-1 -ones is mentioned: [Pg.595]    [Pg.35]    [Pg.595]    [Pg.33]    [Pg.35]    [Pg.547]    [Pg.224]   


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Furan-2-one

Hydroxybenzoates

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