Gold-catalyzed tandem cycloisomerization/Petasis–Ferrier rearrangement: a direct route to 3-alkoxyindanones from enynals and alcohols
作者:Ziping Cao、Huaqing Zhang、Xiaoxiang Zhang、Ludan Zhang、Xin Meng、Guang Chen、Xian-En Zhao、Xuejun Sun、Jinmao You
DOI:10.1039/c5ra24541a
日期:——
A method to prepare 3-alkoxyindanones efficiently by gold-catalyzedtandemcycloisomerization/Petasis–Ferrier rearrangement from ortho-ethynylarylaldehydes with alcohols is described. The reaction was accomplished in moderate to excellent yields under mild reaction conditions and also offers a convenient synthetic route to 3-alkoxycyclopentenones.
EBERBACH W.; ROSER J., TETRAHEDRON, 42,(1986) N 8, 2221-2234
作者:EBERBACH W.、 ROSER J.
DOI:——
日期:——
Thermally initiated reactions of (z)-epoxyhexenynes a facile preparation of 3,4-annulated furans
作者:Wolfgang Eberbach、Joachim Roser
DOI:10.1016/s0040-4020(01)90602-7
日期:1986.1
An efficient and general access to 3,4-annulated 2-vinylfurans (type II) is provided by the thermally induced ring transformation of epoxyhexenynes (I). Depending on the substitution pattern the reactions proceed either by heating in solution () or under short-time thermolysis conditions (). The results are consistent with a multistep mechanism involving 1-oxacyclohepta-3,4,6-trienes as central intermediates