Chemistry Letters p. 443 - 444 (1981)
Update date:2022-08-12
Topics:
Watanabe, Yutaka
Mukaiyama, Teruaki
The reaction of β-amino acids with methanesulfonyl chloride in a chloroform-water bilayer system in the presence of 15 molpercent of tetrabutylammonium hydrogen sulfate gives the corresponding β-lactams in good yields.
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