isopropyl diethylphosphonoacetate 、
(R)-(-)-6-ethyl-7-(2,2,3-trimethyl-cyclopent-3-en-1-yl)-hept-5-en-2-one 以
乙二醇二甲醚 为溶剂,
生成 (R)-(2Z,6E)-isopropyl 7-ethyl-3-methyl-8-(2,2,3-trimethyl-cyclopent-3-en-1-yl)-octa-2,6-dienoate 、 (R)-(2E,6E)-isopropyl 7-ethyl-3-methyl-8-(2,2,3-trimethyl-cyclopent-3-en-1-yl)-octa-2,6-dienoate