Intramolecular cycloaddition of isomünchnones derived from the rhodium(II) catalyzed cyclization of diazoimides
作者:Donald L. Hertzog、David J. Austin、William R. Nadler、Albert Padwa
DOI:10.1016/s0040-4039(00)61271-6
日期:1992.8
Rhodium(II) catalysis of various diazoimides containing tethered π-systems results in isomünchnone dipole formation followed by intramolecular dipolar-cycloaddition.
Generation and cycloaddition reactions of transient alkyl-substituted anhydro-4-hydroxythiazolium hydroxides
作者:Donald L. Hertzog、William R. Nadler、Zhijia J. Zhang、Albert Padwa
DOI:10.1016/s0040-4039(00)61077-8
日期:1992.9
Transient alkyl-substituted anhydro-4-hydroxythiazolium hydroxides undergo efficient inter- and intramolecular cycloaddition to provide the corresponding 1,3-dipolar cycloadducts in high yield.