Thionyl Chloride → 2,3-Dihydro-3,3-dimethylbenzofuran-5-carboxylic acid chloride
Reaktionsgleichung
[CH3:1][C:2]1([CH3:14])[C:6]2[CH:7]=[C:8]([C:11](O)=[O:12])[CH:9]=[CH:10][C:5]=2[O:4][CH2:3]1.S(Cl)([Cl:17])=O>>[CH3:1][C:2]1([CH3:14])[C:6]2[CH:7]=[C:8]([C:11]([Cl:17])=[O:12])[CH:9]=[CH:10][C:5]=2[O:4][CH2:3]1Komponenten
3
Versuchsvorschrift
The product of stage (a) (3 g) was boiled under reflux in thionyl chloride (3.6 g) for 3 hours. Removal of the thionyl chloride under vacuum gave crude title product (4.2 g).
Aufarbeitung
- customRemoval of the thionyl chloride under vacuum
Quellen und Nachweise
- ORD-Eintrag
- ord-e892632284b0435a993f4e96d43c9caf
- Quelldatensatz
- uspto-grants-1981_04
- Patentnummer
- US04263037
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