Journal of the Chemical Society. Chemical communications p. 754 - 756 (1984)
Update date:2022-08-03
Topics:
Lawton, Geoffrey
Moody, Christopher J.
Pearson, Christopher J.
Photochemical decomposition of 4-diazopyrazolidine-3,5-diones (3) in the presence of nucleophiles, XH, leads to the aza-β-lactams (4); decarboxylation of (4e) gives the aza-β-lactam (7), which undergoes reductive ring cleavage to (8), and ring expansion to (9) on treatment with base.
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