- An efficient synthesis of epoxydiynes and a key fragment of neocarzinostatin chromophore.
An efficient synthesis of epoxydiynes and a key fragment of neocarzinostatin chromophore.
Organic letters (2006-12-29)
J R Baker, O Thominet, H Britton, S Caddick
PMID17192081
RESUMEN
[reaction: see text] A key structural feature of the Neocarzinostatin chromophore is a reactive epoxydiyne. We present here a new method for the preparation of epoxydiynes by the addition of an allenyl zinc bromide to a propargylic ketone.