3-cyclopropyl-1-[5-(methylsulphenyl)-pyrid-2-yl]propan-1,3-dione 、 Dimethylformamide dimethyl acetate 在
乙醚 作用下,
以
1,4-二氧六环 为溶剂,
反应 16.0h,
以to give 3-cyclopropyl-2-(N,N-dimethylaminomethylene)-1-[5-(methylsulphenyl)-pyrid-2-yl]propan- 1,3-dione (3.24 g) as a brown solid which的产率得到3-cyclopropyl-2-(N,N-dimethylaminomethylene)-1-[5-(methylsulphenyl)-pyrid-2-yl]propan-1,3-dione