[(2E,4E)-3-methyl-5-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-2,4-dienyl]triphenylphosphonium hydrogensulfate 、
sodium methylate 在
氮 、
Sodium sulfate-III 、
β-Ionylidenethyl-triphenyl-phosphonium 、 formula 2 、
正庚烷 作用下,
以
甲醇 为溶剂,
反应 0.42h,
以1648 g of an 11.2% by weight solution of [(2Z,4E)-3-methyl-5-(2,6,6-trimethylcyclohexen-1-yl)penta-2,4-dienyl]triphenylphosphonium-hydrogensulfate (0.327 mol) are obtained in a purity of 95%的产率得到[(2Z,4E)-3-methyl-5-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-2,4-dienyl]triphenylphosphonium hydrogensulfate