FOERFARANDE FOER FRAMSTAELLNING AV FURANDERIVAT

摘要

The furan derivative of formula (I) …… is prepared by reacting cystamine of formula (II) …… either with a nitroethenamine of formula (III) …… where L is a leaving group such as alkylthio, e.g. methylthio, or with a compound of formula (IV) …… where L is a leaving group as defined above, followed by reaction with methylamine, to give a disulphide of formula (V) …… which is then reacted with 5-[(dimethylamino)methyl]-2-furanmethanol under acid conditions.