(E)-6-(3-bromoprop-1-en-1-yl)-2,3-dihydrobenzo[b][1,4]dioxine 、
2,3-dihydro-6-(1-bromoallyl)benzo[1,4]dioxine 、
氢氧化钾 、
1,3-丙二醇 以
二甲基亚砜 为溶剂,
以gives 280 mg of trans-2,3-dihydro-6-[3-(3-hydroxypropoxy)prop-1-en-1-yl]benzo[1,4]dioxine as a yellow oil的产率得到trans-2,3-dihydro-6-[3-(3-hydroxypropoxy)prop-1-en-1-yl]benzo[1,4]dioxine