Answers are grounded in this paper and cite their sources.
The addition of trimethylsilyl azide to cis-2,3- bis(trimethylsilyl)cyclopropan-1-one in the presence of a sodium azide/15-crown-5 catalyst gave cis-1,3,4-tris(trimethylsilyl)azetidin-2-one, which could easily be transformed into 4-acetoxy-3-alkylideneazetidin-2-ones by way of Peterson olefination followed by anodic oxidation.
No takes yet. Share an insight, caveat, or question.
Suda et al. (1993) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: