Jacob Volhard
Encyclopedia
Jacob Volhard was the German chemist who discovered, together with his student Hugo Erdmann
, the Volhard-Erdmann cyclization
reaction. He was also responsible for the improvement of the Hell-Volhard-Zelinsky halogenation
.
Hugo Erdmann
Hugo Wilhelm Traugott Erdmann was the German chemist who discovered, together with his doctoral advisor Jacob Volhard, the Volhard-Erdmann cyclization...
, the Volhard-Erdmann cyclization
Volhard-Erdmann cyclization
The Volhard-Erdmann cyclization is an organic synthesis of alkyl and aryl thiophenes by cyclization of disodium succinate or other 1,4-difunctional compounds with phosphorus heptasulfide.The reaction is named after Jacob Volhard and Hugo Erdmann.An example is the synthesis of 3-methylthiophene...
reaction. He was also responsible for the improvement of the Hell-Volhard-Zelinsky halogenation
Hell-Volhard-Zelinsky halogenation
The Hell-Volhard-Zelinsky halogenation reaction halogenates carboxylic acids at the α carbon. The reaction is named after three chemists, the German chemists Carl Magnus von Hell and Jacob Volhard and the Russian chemist Nikolay Zelinsky .- Scheme :Unlike other halogenation reactions, this...
.