Reaktion #1118770

Reaktionsgleichung

5-Hexenoic acid

toluene sulfonic acid monohydrate

→

title compound

Ausbeute 84.0%

Methyl 5-Hexenoate

Ausbeute 84.0%

Lösungsmittel

methanol

Reaktionsbedingungen

Aufarbeitung

1. 1
   TemperaturThe solution was cooled
2. 2
   Einengenconcentrated
3. 3
   workup.ADDITIONthen poured into ether/water
4. 4
   TrocknenThe ether layer was dried over sodium sulfate
5. 5
   Einengenconcentrated

Vorschrift

5-Hexenoic acid (4.9 g, 42.9 mmol) was refluxed in 80 ml of methanol with catalytic p toluene sulfonic acid monohydrate for 40 hours. The solution was cooled and concentrated then poured into ether/water. The ether layer was dried over sodium sulfate and concentrated to give 4.6 g (35.9 mmol), 84% of the title compound.

Quelle