Ozonolysis of ethylidene azetidinones; ozonide fragmentation to α-amino acid-N-carboxyanhydrides
摘要:
Ozonolysis of alpha-ethylidene azetidinones (1) and (10) did not provide the expected alpha-oxoazetidinones, but afforded alpha-amino acid-N-carboxyanhydrides (3) and (11).