Thionyl Chloride → 5-Hexylthiophene-2-carboxylic acid chloride
Reaktionsgleichung
[CH2:1]([C:7]1[S:11][C:10]([C:12]([OH:14])=O)=[CH:9][CH:8]=1)[CH2:2][CH2:3][CH2:4][CH2:5][CH3:6].S(Cl)([Cl:17])=O>>[CH2:1]([C:7]1[S:11][C:10]([C:12]([Cl:17])=[O:14])=[CH:9][CH:8]=1)[CH2:2][CH2:3][CH2:4][CH2:5][CH3:6]Komponenten
3
Reaktionsbedingungen
- Temperatur
- 80 °C
Versuchsvorschrift
10 ml of thionyl chloride was added to 1.0 g (4.72×10-3 ml) of 5-hexylthiophene-2-carboxylic acid, followed by stirring for 4 hours under heating at 80° C. and removal of excessive thionyl chloride by reduced-pressure distillation to obtain 5-hexylthiophene-2-carboxylic chloride.
Aufarbeitung
- customremoval of excessive thionyl chloride
- distillationby reduced-pressure distillation
Quellen und Nachweise
- ORD-Eintrag
- ord-827cfea01df8488da412d30c3827b6dc
- Quelldatensatz
- uspto-grants-1993_10
- Patentnummer
- US05250218
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