trans-1,3-Divinylcyclopentanes bearing a ω-nitroalkyl chain (C2 or C3) in the 2-position were submitted to an intramolecular nitrile oxide cycloaddition process to give tricyclic isoxazoline precursors of 4-hydroxymethylbicyclo[3.3.0]octan-1-ol-3-ones or 5-hydroxymethyl-9-vinylbicyclo[4.3.0]nonan-1-ol-4-ones.
将在 2-位带有 ω-硝基烷基链(C2 或 C3)的反式-1,3-二
乙烯基环戊烷进行分子内氧化腈环加成反应,得到 4-羟甲基双环 [3.3.0]
辛烷-1-的
三环异恶唑啉前体ol-3-ones 或 5-hydroxymethyl-9-vinylbicyclo[4.3.0]nonan-1-ol-4-ones。