Beckmann rearrangement

noun

Beck·​mann rearrangement

ˈbek-mən-,

-ˌmän-

: a rearrangement by which a ketoxime [as the oxime (C₆H₅)₂C:NOH of benzophenone] changes into an amide derivative (such as benzanilide) on treatment usually with phosphorus pentachloride or an acid

Word History

Etymology

after Ernst O. Beckmann †1923 German chemist

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