EntityQ1059547· pop 6· linked from 6 articlesVolhard–Erdmann cyclizationSign in to savean organic synthesis of alkyl and aryl thiophenesConnectionsdigital object identifierEntitysuccinic acidEntityorganic synthesisEntitythiopheneEntityitaconic acidEntityHugo ErdmannEntityJacob VolhardEntityOrganic SynthesesEntityChemische BerichteEntityphosphorus sulfideEntityCategoriesName reactionsSulfur heterocycle forming reactions