Lossen rearrangement

noun
Los·​sen rearrangement | \ ˈläsᵊn-\

Definition of Lossen rearrangement

: the conversion of a hydroxamic acid RCONHOH to an amine RNH2, a urea (RNH)2CO, a urethane RNHCOOC2H5, or a similar derivative by way of an intermediate isocyanate RNCO

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History and Etymology for Lossen rearrangement

probably after Wilhelm Lossen †1906 German chemist

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