dicarbonyl(η2-diethylthiophosphinito)(triphenylphosphane)cobalt(I) 、
Diisopropyl acetylenedicarboxylate 、
三苯基膦 以
甲苯 为溶剂,
以6%的产率得到5,5-dicarbonyl-2,2-diethyl-5-(triphenylphosphine)-1λ3-thia-2λ5-phospha-5-cobalta-1,3-cyclopentadiene-3,4-carboxylic acid diisopropyl ester