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US 6,284,894 B1Granted
Preparation of allylic aromatic compounds
AssigneeNycomed Imaging AS
InventorsFredrik Ek, Lars Goran Wistrand
Life of this patent
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Abstract
A process for the preparation of an allylic aromatic compound in which an aromatic amine is reacted first with a nitrite and then with an allylic olefin having an eliminatable terminal substituent. Novel allylic derivatives of disubstituted benzene compounds are also described.
Claims6
A process for the preparation of an allylic aromatic compound in which an aromatic amine is reacted first with a nitrite and then with an allylic olefin having an eliminatable terminal substituent without the use of metal reagents or catalysts.
Dependencies are inferred from the claim text.