1-(6-Methoxy-6-oxohex-4-ynyl)cyclohex-2-ene-1-carboxylic acid 在
cyclopentadienylruthenium(II) trisacetonitrile hexafluorophosphate 作用下,
以
丙酮 为溶剂,
反应 3.0h,
以95%的产率得到(1E,4aR,8aR)-1-(2-methoxy-2-oxoethylidene)-2,3,4,5,6,8a-hexahydronaphthalene-4a-carboxylic acid