7,7,7-tricarbonyl-3,3-dicyclohexyl-2λ(3)-thia-3λ(5)-phospha-η2-7-manganabicyclo{2.2.1}hepta-2,5-diene-1,4,5,6-tetracarboxylic acid tetraethyl ester 在
Raney-nickel 作用下,
以
甲醇 为溶剂,
以63%的产率得到6,6,6-tricarbonyl-5,5-dicyclohexyl-5λ(4)-phospha-η2-6-manganabicyclo{2.1.1}hex-2-ene-1,2,3,4-tetracarboxylic acid tetraethyl ester