Ring-Closing Metathesis of Enynes Tethered by an N-O Bond: Synthesis of 1,2-Oxaza Polycycles by Diels-Alder Reaction of the Ring-Closing Metathesis Products
作者:Jinsung Tae、Young-Keun Yang
DOI:10.1055/s-2003-42038
日期:——
Ring-closingmetathesis (RCM) reaction of enynes tethered by an N-O bond produced 6- to 8-membered 1,2-oxaza heterocyclic compounds in high yields. Diels-Alder reaction of the cyclic 1,3-dienes with various dienophiles afforded bi- or tri-cyclic compounds efficiently.