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1 results about "Beckmann rearrangement" patented technology

The Beckmann rearrangement, named after the German chemist Ernst Otto Beckmann (1853–1923), is a rearrangement of an oxime functional group to substituted amides. The rearrangement has also been successful performed on haloimines and nitrones. Cyclic oximes and haloimines yield lactams.

Process for production of Epsilon-hexanolactam

ActiveCN101429148BMeet the requirementsMeet the requirements of industrial productsLactams preparationChemical recyclingBeckmann rearrangementDistillation
The invention discloses a method for producing epsilon-caprolactam. The method prepares the caprolactam with the purity up to over 99.99 percent by subjecting crude epsilon-caprolactam obtained in gas-phase Beckmann rearrangement reaction to distillation, separation, purification, recrystallization, hydrofining and other steps, and meets the requirements of industrial products.
Owner:CHINA PETROLEUM & CHEM CORP +1
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