Hugo Erdmann
Encyclopedia
Hugo Wilhelm Traugott Erdmann (8 May 1862 – 25 June 1910) was the German chemist who discovered, together with his doctoral advisor Jacob Volhard
, the Volhard-Erdmann cyclization
. In 1898 he was the first who coined the term noble gas
(the original noun is in German
).
Erdmann invented the name Thiozone in 1908, hypothesizing that S3 made up a large proportion of liquid sulfur.
Jacob Volhard
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....
, 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...
. In 1898 he was the first who coined the term noble gas
Noble gas
The noble gases are a group of chemical elements with very similar properties: under standard conditions, they are all odorless, colorless, monatomic gases, with very low chemical reactivity...
(the original noun is in German
German language
German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....
).
Erdmann invented the name Thiozone in 1908, hypothesizing that S3 made up a large proportion of liquid sulfur.