Ferdinand Tiemann
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| Johann Karl Wilhelm Ferdinand Tiemann | |
| Born | June 10, 1848 Rübeland part of Elbingerode, Germany |
|---|---|
| Died | November 14, 1899 (aged 51) Meran (Merano), Austria (now Italy) |
| Institutions | University of Berlin |
| Alma mater | Technical University at Brunswick |
| Doctoral advisor | August Wilhelm von Hofmann |
| Doctoral students | Julius Stieglitz, Carl Harries |
| Known for | Reimer-Tiemann reaction, Tiemann rearrangement |
Johann Karl Wilhelm Ferdinand Tiemann was a German chemist and together with Reimer discoverer of the Reimer-Tiemann reaction.
Beginning in 1866, Tiemann studied pharmacy at the Technical University at Brunswick where he graduated in 1869. His professor in Brunswick wrote a letter of recomendation to August Wilhelm von Hofmann at the University of Berlin where Tiemann started as assisatant of von Hofmann in 1869. 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 Ludwig Reimer discovered the Reimer-Tiemann reaction which opened an alternative synthesis route to vanillin. In 1882 Tiemann became professor at the University of Berlin.
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 Tiemenn.
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