Otto Paul Hermann Diels


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German organic chemist who worked mostly at the University of Kiel. In 1906 he discovered tricarbon dioxide (C3O2). Diels also did important work on steroids but is remembered for his discovery in 1928 of the Diels-Alder reaction, which he made with his assistant Kurt Alder (1902–58). Diels and Alder shared the 1950 Nobel Prize for chemistry.

Subjects: Chemistry.