Reaktion #1349756

Reaktionsgleichung

Coumarin

→

dihydrocoumarin

Lösungsmittel

ethyl acetate

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstige(ca. 1 hr.)
2. 2
   Sonstigeis removed by filtration
3. 3
   Sonstigethe filtrate evaporated

Vorschrift

Coumarin (30 g, 0.205 moles) is reduced on the Parr apparatus in 200 ml ethyl acetate with 1 g platinum oxide at 40 psi. When the uptake ceased (ca. 1 hr.) the catalyst is removed by filtration and the filtrate evaporated to give a quantitate yield of dihydrocoumarin.

Quelle