A new rearrangement of a 4-mercaptoazetidin-2-one via a thioaldehyde intermediate
作者:Jack E. Baldwin、Mankil Jung、John Kitchin
DOI:10.1039/c39810000578
日期:——
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.