Aza and diazaannulenones. Influence of nitrogen position on their reactivity and stability
摘要:
Three new elusive intermediates, 3-aza-2,4-cyclopentadienone, 2,5-diaza-2,4-cyclopentadienone, and 3,4-diaza-2,4-cyclopentadienone, are reported. The three species can act either as dienes or as dienophiles in Diels-Alder reactions. The influence of the number and position of nitrogen atoms on their stability is studied.
Aza and diazaannulenones. Influence of nitrogen position on their reactivity and stability
摘要:
Three new elusive intermediates, 3-aza-2,4-cyclopentadienone, 2,5-diaza-2,4-cyclopentadienone, and 3,4-diaza-2,4-cyclopentadienone, are reported. The three species can act either as dienes or as dienophiles in Diels-Alder reactions. The influence of the number and position of nitrogen atoms on their stability is studied.