The 4-mercaptoazetidin-2-one (4) was prepared by a short and efficient route from phthalimidopenicillin methyl ester, and its pyrolysis provided a new γ-lactam (7a) stereospecifically via an ene reaction of a thioaldehyde.
No takes yet. Share an insight, caveat, or question.
Baldwin et al. (1981) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: