Abstract
Unusual cascade cycloaddition reactions with dimethylhydrazones of α-trimethylsilyloxyalkylacroleins acting as azadienes were found. Depending on the nature of the dienophile, the reactions give either fused heterocyclic compounds (when two consecutive Diels—Alder reactions take place) or azabicyclic compounds, resulting from the [2+4]- and [2+3]-cycloaddition cascade.
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Tsvetkov, N.P., Vakhmistrov, V.E., Koldobsky, A.B. et al. Cascade cycloaddition reactions involving dimethylhydrazones of α-substituted acroleins. Russian Chemical Bulletin 51, 326–331 (2002). https://doi.org/10.1023/A:1015468013195
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DOI: https://doi.org/10.1023/A:1015468013195