Hugo Wilhelm Traugott Erdmann (8 May 1862 – 25 June 1910) was the German chemist who discovered, together with his doctoral advisor
Jacob Volhard
Jacob Volhard (4 June 1834 – 14 January 1910) 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–Zel ...
, the
Volhard-Erdmann cyclization. In 1898 he was the first who coined the term ''
noble gas
The noble gases (historically the inert gases, sometimes referred to as aerogens) are the members of Group (periodic table), group 18 of the periodic table: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn) and, in some ...
'' (the original noun is in
German
German(s) may refer to:
* Germany, the country of the Germans and German things
**Germania (Roman era)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizenship in Germany, see also Ge ...
).
Erdmann invented the name
Thiozone in 1908, hypothesizing that S
3 made up a large proportion of liquid sulfur.
In collaboration with
Rudolph Fittig, Erdmann found that dehydration of γ-phenyl
structural analog
A structural analog, also known as a chemical analog or simply an analog, is a chemical compound, compound having a chemical structure, structure similar to that of another compound, but differing from it in respect to a certain component.
It can ...
of
isocrotonic acid
Isocrotonic acid (also known as quartenylic acid; formally named (''Z'')-2-butenoic acid) is the ''cis'' isomer of crotonic acid. It is an oil, possessing an odor similar to that of brown sugar. At its boiling point of 171.9 °C, it conv ...
produced
α-naphthol
1-Naphthol, or α-naphthol, is an organic compound with the formula . It is a fluorescence, fluorescent white solid. 1-Naphthol differs from its isomer 2-Naphthol, 2-naphthol by the location of the hydroxide, hydroxyl group on the naphthalene rin ...
, an observation that provided evidence in understanding the nature of
naphthalene
Naphthalene is an organic compound with formula . It is the simplest polycyclic aromatic hydrocarbon, and is a white Crystal, crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 Parts-per notation ...
.
Bibliography
Books written by Erdmann:
#
See also
*
German inventors and discoverers
This is a list of German inventors and discoverers. The following list comprises people from Germany or German-speaking Europe, and also people of predominantly German heritage, in alphabetical order of the surname.
A
*Ernst Abbe: Invented th ...
References
*
*
Notes
1862 births
1910 deaths
People from Pasłęk
Scientists from the Province of Prussia
19th-century German chemists
20th-century German chemists
Academic staff of Technische Universität Berlin
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