Reaktion #46756

Reaktionsgleichung

Menthane-3-carboxylic acid

thionyl chloride

→

Menthane-3-carbonyl chloride

Reaktionsbedingungen

Aufarbeitung

1. 1
   SonstigeThe SOCl2 was removed by distillation
2. 2
   workup.DISTILLATIONthe acid chloride was distilled at 114-115° C. (8 Torr)

Vorschrift

Menthane-3-carboxylic acid (54.35 g) was refluxed with 80 ml of thionyl chloride for 3 hours. The SOCl2 was removed by distillation, and the acid chloride was distilled at 114-115° C. (8 Torr). (Lit. b.p. 84-85° C. at 3.5 Torr). Yield: 50 g (84%).

Quelle