An Interrupted Vinylogous Iso-Nazarov Reaction: Cycloisomerization of Conjugated Trienones to Cyclopenta[<i>b</i>]furan Derivatives
作者:Martín J. Riveira、Mirta P. Mischne
DOI:10.1021/jo501453b
日期:2014.9.5
Iron(III) chloride-catalyzed cyclopentannulation of π-conjugated 1,3-dicarbonyl compounds is described. An interrupted vinylogous iso-Nazarov reaction of trienones was established in which cyclopenta[b]furan derivatives are obtained as single diastereomers.
描述了氯化铁(III)催化的π-共轭的1,3-二羰基化合物的环戊环化。建立了间苯三烯的间断的乙烯基异Nazarov反应,其中获得了环戊五[ b ]呋喃衍生物作为单一非对映异构体。