Reaktion #62799

Reaktionsgleichung

4-aminomethyl-1-benzylpyrrolidin-2-one

p-chlorophenylisocyanate

→

title compound

Ausbeute 74.9%

4-(p-Chlorophenylamino-carbonylaminomethyl)-1-benzylpyrrolidin-2-one

Ausbeute 74.9%

Lösungsmittel

dioxane

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigethe solution is then evaporated in vacuo
2. 2
   SonstigeThe residue crystallizes out of ethyl acetate

Vorschrift

52 g (0.25 mol) of 4-aminomethyl-1-benzylpyrrolidin-2-one are stirred for 2 hours at ambient temperature in 70 ml of dioxane with 38 g (0.25 mol) of p-chlorophenylisocyanate and the solution is then evaporated in vacuo. The residue crystallizes out of ethyl acetate to yield 67 g of the title compound, m.p. 139°-140° C.

Quelle