IP Library › Granted Patent US 8,354,527
Granted Patent B2
US 8,354,527 · App. 12/988,758 · Granted Jan 15, 2013

Process for producing amide or lactam

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Quick Facts
Patent No.
US 8,354,527
App. No.
12/988,758
Granted
Jan 15, 2013
Kind
B2
Abstract

The present invention relates to a process for producing an amide or lactam, particularly laurolactam, wherein catalytic amounts of an acidic chloride and a Lewis acid are used in Beckmann rearrangement of an oxime compound. In accordance with the process, side reactions during Beckmann rearrangement can be so controlled that selectivity can be improved and strong coloring in the reaction can be prevented, giving a high-quality amide or lactam.

Claims (1)

1. A process for producing laurolactam, comprising conducting Beckmann rearrangement of cyclododecanone oxime in the presence of thionyl chloride and zinc chloride.

Assignments (1)
CHANGE OF NAME Recorded Jul 14, 2023
From: UBE INDUSTRIES, LTD.
To: UBE CORPORATION
Reel/Frame 064275/0021 →