Intramolecular Lewis acid catalyzed heterocycloaddition reactions. Cyclization of ketone heterodienophiles in the dihydrotropone series
作者:James H. Rigby、JoAnn Zbur Wilaon、Chrisantha Senanayake
DOI:10.1016/s0040-4039(00)84787-5
日期:1986.1
Ketones were found to efficiently participate as heterodienophilic partners in intramolecularLewisacidcatalyzed cycloadditions with the diene system of dihydrotropone to ultimately generate substituted hydroazulenes.
Intramolecular nitrile oxide cycloaddition in the dihydrotropone series. A rapid entry into the bicyclo[5.3.0]decane and bicyclo[5.4.0]undecane ring systems
作者:James H. Rigby、Timothy W. McGuire
DOI:10.1016/s0040-4039(00)93367-7
日期:1993.5
8-Addition of terminally functionalized three and four carbon chains to tropone followed by intramolecular nitrile oxide cycloaddition provides highly functionalized bicyclo[5.3.0]decane and bicyclo[5.4.0]undecane products.