METHOD FOR SYNTHESISING HETEROCYCLIC COMPOUNDS FROM THIOUREADERIVATIVES

摘要

The invention relates to a method illustrated in model 1 for synthesising heterocyclic compounds of formula (I). According to said method, isothiocyanate of formula (II) is reacted with the primary amine of formula (III) to obtain thiourea of formula (IV). The thiourea of formula (IV) is th en converted into the heterocycle of formula (I) using a base and a sulfonic ac id.