7,7,7-Tricarbonyl-3,3-dimethyl-2λ
3-thia-3λ
5-phospha-η
2-7-manganabicyclo<2.2.1>hepta-2,5-dien-1,4,5-tricarbonsaeure-4,5-diethylester-1-methylester 在
ammonium cerium(IV) nitrate 作用下,
以
甲醇 、
苯 为溶剂,
以62%的产率得到2,3,5-Thiophentricarbonsaeure-2,3-diethylester-5-methylester