rac-6-methyl-5-oxa-8-azaspiro[3.5]nonane 、 ethyl 5-(2,4,5-trifluoro-3-hydroxyphenyl)-1,2,4-oxadiazol-3-carboxylate 在
三甲基铝 作用下,
以
甲苯 为溶剂,
以63 %的产率得到(6-methyl-5-oxa-8-azaspiro[3.5]nonan-8-yl)(5-(2,4,5-trifluoro-3-hydroxyphenyl)-1,2,4-oxadiazol-3-yl)methanone