Reacción #955971

Ecuación de reacción

thiophene-3,4-dicarboxylic anhydride

4-(3-ethylheptyl)-2,3,5,6-tetrafluoroaniline

→

5-(4-(3-ethylheptyl)-2,3,5,6-tetrafluorophenyl)-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione

Disolventes

toluene

Condiciones de reacción

Tratamiento posterior

1. 1
   FiltraciónThe crude product is collected by filtration of the cold reaction mixture
2. 2
   OtroAnother portion of product can be recovered
3. 3
   Lavadoby washing the filtrate with 5% hydrochloric acid
4. 4
   Otroevaporating the solvent
5. 5
   OtroThe target molecule is purified by recrystallization from toluene
6. 6
   workup.DISSOLUTIONdissolved in 150 ml of thionyl chloride
7. 7
   Temperaturarefluxed for 3 hrs
8. 8
   ConcentraciónThe reaction mixture is concentrated down
9. 9
   Otrodried
10. 10
    Otropurified

Procedimiento

A solution of thiophene-3,4-dicarboxylic anhydride (8.0 mmol) and 4-(3-ethylheptyl)-2,3,5,6-tetrafluoroaniline (8.5 mmol) in 125 ml of toluene is refluxed for 24 h. The crude product is collected by filtration of the cold reaction mixture. Another portion of product can be recovered by washing the filtrate with 5% hydrochloric acid and then evaporating the solvent. The target molecule is purified by recrystallization from toluene, dissolved in 150 ml of thionyl chloride and refluxed for 3 hrs. The reaction mixture is concentrated down, dried, and purified.

Fuente