Azafulvenium methides: new extended dipolar systems
OB Sutcliffe, RC Storr, TL Gilchrist, P Rafferty…
文献索引：Sutcliffe, Oliver B.; Storr, Richard C.; Gilchrist, Thomas L.; Rafferty, Paul; Crew, Andrew P. A. Chemical Communications, 2000 , # 8 p. 675 - 676
The transient 8π 1, 7-dipolar azafulvenium methides 5 and 8 undergo sigmatropic [1, 8] H shifts and the acyl derivatives 12 electrocyclise to give novel pyrrolooxazines 13; the related diazafulvenium methide 15 can be intercepted in 8π+ 2π cycloadditions with silylated acetylenes.
