Journal of the Chemical Society. Chemical communications p. 1006 - 1007 (1983)
Update date:2022-08-03
Topics:
Daniels, Nick
Johnson, Graham
Ross, Barry C.
Hydroxy group directed chlorinolysis of (3S,4R)-3-<(R)-1-hydroxyethyl>-4-ethylthioazetidin-2-one (4) gives predominantly the corresponding (4S)-4-chloroazetidinone (5) which is cyclised to the (5R,6S)-6-<(R)-1-hydroxyethyl>-2-thioxopenam (1).
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