三苯基膦氢溴酸盐 、 2-cis-5-(4',4'-ethylenedioxy-1'-hydroxy-2',2',6'-trimethylcyclohexyl)-3-methylpent-2-en-4-yn-1-ol 以
甲醇 为溶剂,
反应 60.0h,
以500 mg的产率得到[(Z)-5-((8S,9R)-8-Hydroxy-7,7,9-trimethyl-1,4-dioxa-spiro[4.5]dec-8-yl)-3-methyl-pent-2-en-4-ynyl]-triphenyl-phosphonium; bromide