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US 4,051,149 AGranted
6,11-Dihydrodibenzo-[b.e.]-thiepin-11-one-3-acetonitrile
AssigneeSyntex (U.S.A.) Inc.
InventorJack Ackrell
Life of this patent
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Abstract
6,11-Dihydrodibenzo-[b.e.]-thiepin-11-one-3-acetic acid is prepared from 6,11-dihydrodibenzo-[b.e.]-thiepin-11-one-3-acetonitrile, a novel intermediate, by strong acid or base hydrolysis.
Claims1
6,11-Dihydrodibenzo-[b.e.]-thiepin-11-one-3-acetonitrile.
Dependencies are inferred from the claim text.