Reaction of an alcohol with thionyl chloride (Ch. 11)
This is an example of a reaction involving thionyl chloride. The alcohol is halogenated with excess thionyl chloride to yield chloro lactone. The paper is a study on the biomimetic (mimicking a biological process) synthesis of bisesquiterpene lactones, specifically biatractylolide and biepiasterolide which have been extracted from Atractylodes macrocephala (Chinese medicinal plant). Article link.