Journal of Organic Chemistry p. 5417 - 5421 (1991)
Update date:2022-08-03
Topics:
Gavina, Francisco
Costero, Ana M.
Andreu, M. Rosario
Ayet, M. Dolores
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.
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(1991)
