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US 4,058,561 AGranted
2-Chloromethylphenylcarbamic acid fluoride
AssigneeBayer Aktiengesellschaft
InventorsErich Klauke, Horst Jager
Life of this patent
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Abstract
2-Chloromethylphenylcarbamic acid fluoride is prepared by reacting 2-chloromethylphenylisocyanate with anhydrous hydrofluoric acid. The product prepared can be reacted further with anhydrous hydrofluoric acid under pressure to prepare 2-aminodiphenylmethane-2'-carboxylic acid lactam.
Claims1
2-chloromethylphenylcarbamic acid fluoride.
Dependencies are inferred from the claim text.