Ferdinand Tiemann
Johann Karl Wilhelm Ferdinand Tiemann | |
---|---|
Born | Rübeland (now part of Elbingerode), Kingdom of Hanover | June 10, 1848
Died | November 14, 1899 | (aged 51)
Alma mater | TU Braunschweig |
Known for | Reimer-Tiemann reaction, Tiemann rearrangement |
Scientific career | |
Institutions | University of Berlin |
Doctoral advisor | August Wilhelm von Hofmann |
Doctoral students | Julius Stieglitz, Carl Harries |
Johann Karl Wilhelm Ferdinand Tiemann (June 10, 1848 – November 14, 1899) was a German chemist and together with Karl Reimer discoverer of the Reimer-Tiemann reaction.[1]
Biography
Beginning in 1866, Tiemann studied pharmacy at the TU Braunschweig where he graduated in 1869.[1] His professor in Brunswick wrote a letter of recommendation to August Wilhelm von Hofmann at the University of Berlin where Tiemann started as assistant of von Hofmann in 1869.[2] In 1874 Wilhelm Haarmann and Tiemann started a company, after they discovered the synthesis of vanillin from coniferyl alcohol. The vanillin plant Holzminden was not very successful before Karl Reimer discovered the Reimer-Tiemann reaction which opened an alternative synthesis route to vanillin. In 1882 Tiemann became a professor at the University of Berlin.[1]
He was involved in the first synthesis of Jonon a compound of the sweet violet (Viola odorata), which became a huge success for Harmann & Reimer company.
August Wilhelm von Hofmann married Berta the younger sister of Ferdinand Tiemann.[1]
Works
- Tiemann-Gärtner's Handbuch der Untersuchung und Beurtheilung der Wässer : zum Gebrauch für Apotheker, Ärzte, Chemiker, Fabrikanten, Medicinalbeamte und Techniker ; mit 40 Holzstichen u. 10 Taf. . Vieweg, Braunschweig 4. Aufl. / bearb. von Georg Walter und August Gärtner 1895 Digital edition by the University and State Library Düsseldorf
References
- ^ a b c d "Tiemann, Johann Carl Wilhelm Ferdinand". Encyclopedia.com.
- ^ Biographie, Deutsche. "Tiemann, Ferdinand - Deutsche Biographie". www.deutsche-biographie.de.
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- 1848 births
- 1899 deaths
- 19th-century German chemists
- Technical University of Braunschweig alumni
- Academic staff of the Humboldt University of Berlin
- People from the Kingdom of Hanover
- People from Oberharz am Brocken
- Recipients of the Cothenius Medal