作者:Klaus Banert、Manfred Hagedorn
DOI:10.1016/s0040-4039(00)60179-x
日期:1992.11
1-Alkyl-1-(2,3-butadienyl)hydrazines 1b,d—g can be oxidized under mild conditions to yield 1-alkyl-2-(1-methylen-2-propenyl)diazenes 3. These E-configurated azo compounds are precursors for rapid inter- and intramolecular [4+2] cycloadditions to give the heterocyclic products 4 and 6–10.
1-烷基-1-(2,3-丁二烯基)肼1b,d-g可以在温和的条件下氧化,生成1-烷基-2-(1-亚甲基-2-丙烯基)二氮烯3。这些E构型的偶氮化合物是分子间和分子内[4 + 2]快速加成环以生成杂环产物4和6-10的前体。