Diels , Otto Paul Hermann
(1876–1954) German organic chemist
The son of Hermann Diels, a famous classical scholar, Diels was born in Hamburg, Germany. He gained his doctorate under Emil Fischer in Berlin (1899), becoming professor there in 1906. From 1916 until his retirement in 1948 he was professor at Kiel. In 1906 he made an extremely unexpected discovery, that of a new oxide of carbon, carbon suboxide (C3O2), which he prepared by dehydrating malonic acid with phosphorus pentachloride. Diels's second major discovery was a method of removing hydrogen from steroids by means of selenium. He used this method in research on cholesterol and bile acids, obtaining aromatic hydrocarbons that enabled the structures of the steroids to be deduced.
In 1928 Diels and his assistant Kurt Alder (1902–1958) discovered a synthetic reaction in which a diene (compound containing two double bonds) is added to a compound containing one double bond flanked by carbonyl or carboxyl groups to give a ring structure. The reaction proceeds in the mildest conditions, is of general application, and hence of great utility in synthesis. It has been used in the synthesis of natural products, such as sterols, vitamin K, and cantharides, and of synthetic polymers. For this discovery Diels and Alder were jointly awarded the Nobel Prize for chemistry in 1950.

Scientists. . 2011.

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  • Diels,Otto Paul Hermann — Diels (dēlz, dēls), Otto Paul Hermann. 1876 1954. German chemist. He shared a 1950 Nobel Prize for discoveries concerning the structure of organic matter. * * * …   Universalium

  • Diels, Otto Paul Hermann — ▪ German chemist born Jan. 23, 1876, Hamburg, Ger. died March 7, 1954, Kiel, W.Ger.       German organic chemist who with Kurt Alder was awarded the Nobel Prize for Chemistry in 1950 for their joint work in developing a method of preparing cyclic …   Universalium

  • Otto Paul Hermann Diels — Otto Paul Herrmann Diels (* 23. Januar 1876 in Hamburg; † 7. März 1954 in Kiel) war ein deutscher Chemiker. Er erhielt zusammen mit seinem Schüler Kurt Alder 1950 den Nobelpreis für Chemie für die Entdeckung der Diels Alder Reaktion. Biographie… …   Deutsch Wikipedia

  • Otto Paul Hermann Diels — Naissance 23 janvier 1876 Kiel (Prusse) Décès 7 mars 1954 (à 78 ans) Hambourg (Allemagne de l Ouest) Nationalité …   Wikipédia en Français

  • Otto Paul Hermann Diels — (23 de enero de 1876 en Hamburgo 7 de marzo de 1954 en Kiel) fue un químico alemán ganador del Premio Nobel de Química. Biografía Fue hijo de un profesor de filología de la universidad de Berlín. Otto Diels estudió química en esa misma… …   Wikipedia Español

  • Otto Paul Hermann Diels — (nacido el 23 de enero de 1876 en Hamburgo fallecido el 7 de marzo de 1954 en Kiel) Químico alemán. Fue hijo de un profesor de filología de la universidad de Berlín, en donde consiguió su doctorado en química. Otto Diels estudió química entre… …   Enciclopedia Universal

  • Chemienobelpreis 1950: Otto Paul Hermann Diels — Kurt Alder —   Die beiden deutschen Wissenschaftler erhielten den Nobelpreis für »die Entdeckung und die Entwicklung der Diensynthese«.    Biografien   Otto Paul Hermann Diels, * Hamburg 23. 1. 1876, ✝ Kiel 7. 3. 1954; 1895 99 Chemiestudium in Berlin, ab 1904 …   Universal-Lexikon

  • Diels, Otto — Diels , Otto Paul Hermann …   Scientists

  • Otto Paul Herrmann Diels — (* 23. Januar 1876 in Hamburg; † 7. März 1954 in Kiel) war ein deutscher Chemiker. Er erhielt zusammen mit seinem Schüler Kurt Alder 1950 den Nobelpreis für Chemie für die Entdeckung der Diels Alder Reaktion. Biographie Nach dem Besuch des… …   Deutsch Wikipedia

  • Otto Diels — Otto Paul Hermann Diels Otto Paul Hermann Diels (Hambourg 23 janvier 1876 Kiel 7 mars 1954) était un chimiste allemand. Otto Diels a étudié la chimie de 1895 1899 à l université de Berlin, où après différentes positions il… …   Wikipédia en Français

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