1,1-Dichloro- and 1,3-dichloro-2-alkanones react with 2-methylfuran in the presence of lithium perchlorate/triethylamine to form 2-chloro-1-methyl-8-oxabicyclo [3.2.1]oct-6-ene-3-ones predominantly.
1,1-二
氯和1,3-二
氯-2-链烷酮在
高氯酸锂/
三乙胺的存在下与
2-甲基呋喃反应形成2-
氯-1-甲基-8-氧杂双环[3.2.1] oct-6 -ene-3-ones主要。