2-hydroxythiochromen-4-one 在
吡啶 、 bis-triphenylphosphine-palladium(II) chloride 作用下,
以
苯 为溶剂,
生成
3-(3,3-dimethylbut-1-yn-1-yl)-1-benzothiophene 、 (6aSR,10aRS)-10a-(3,3-dimethylbut-1-yn-1-yl)-6a,7,10,10a-tetrahydro-8,9-dimethyl-6H-benzo[c][1]benzothiopyran-6-one