
Tetrahedron p. 6739 - 6758 (1996)
Update date:2022-07-31
Topics: Radical cyclisation Radical Cyclisation Experimental Approach Pyroglutamate
Goodall, Karen
Parsons, Andrew F.
Treatment of serine-derived N-(α-haloacetamido)dehydroalanine derivatives with tributyltin hydride in boiling benzene or toluene afforded pyroglutamates in 47-84% yield. The radical cyclisation reaction, which proceeded regioselectively in a disfavoured 5
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