Bicyclic lactams may be prepared from serine or cysteine and 2-methylpropanal; the resulting S,N-heterocycles are more stable than the corresponding O,N-heterocycles but both are synthetic intermediates capable of further elaboration. Click to show full abstract
Bicyclic lactams may be prepared from serine or cysteine and 2-methylpropanal; the resulting S,N-heterocycles are more stable than the corresponding O,N-heterocycles but both are synthetic intermediates capable of further elaboration.
               
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