DAMAVANDY J. A.; JONES R. A. Y., J. CHEM. SOC. PERKIN TRANS., PART 1, 1981, NO 3, 712-717
作者:DAMAVANDY J. A.、 JONES R. A. Y.
DOI:——
日期:——
Cycloaddition reactions of quinoneimine N-oxides and of fluorenoneimine N-oxide: exocyclic nitrones conjugated with electron-withdrawing rings
作者:Jaffar A. Damavandy、Richard A. Y. Jones
DOI:10.1039/p19810000712
日期:——
N-Phenyl-p-benzoquinoneimine N-oxide is generally unreactive in 1,3-dipolar cycloaddition reactions, but with acetylenedicarboxylate esters it gives indolones, formed from the initial adducts by a rearrangement which entails an alkoxycarbonyl migration. The analogous nitrone derived from anthraquinone gives unrearranged adducts with a variety of 1,3-dipolarophiles; monosubstituted alkynes and alkenes