diethyl (5-carboethoxythiophen-2-yl) methylphosphonate 、 2-formyl-5,5,8,8-tetramethyl-3-pyrazol-1-ylmethyl-5,6,7,8-tetrahydro-naphthalene 以
四氢呋喃 、 mineral oil 为溶剂,
生成 5-[(E)-2-(5,5,8,8-tetramethyl-3-pyrazol-1-ylmethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)vinyl]-thiophene-2-carboxylic acid