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US 4,051,148 AGranted
6,11-Dihydrodibenzo-[b.e.]-thiepin-11-one-3-carboxaldehyde
AssigneeSyntex (U.S.A.) Inc.
InventorsAnthony Prince, Otto Halpern, Jack Ackrell
Life of this patent
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Abstract
This invention relates to a novel method for the preparation of 6,11-dihydrodibenzo-[b.e.]-thiepin-11-one-3-acetic acid and the novel intermediate 6,11-dihydrodibenzo-[b.e.]-thiepin-11-one-3-carboxaldehyde used in the preparation thereof.
Claims1
6,11-dihydrodibenzo-[b.e.]-thiepin-11-one-3-carboxaldehyde.
Dependencies are inferred from the claim text.