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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Origin and Etymology of lossen rearrangement
probably after Wilhelm Lossen †1906 German chemist
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