Richard Wolffenstein (chemist)

Richard Wolff Stone ( born August 21, 1864 in Berlin, † June 5, 1929 in Berlin) was a German chemist, who worked around the turn of the century from the 19th to the 20th century.

Life

Wolffenstein studied in Leipzig, Heidelberg, Munich and Berlin. In 1888 he received his PhD and took a stint as an assistant at the Veterinary College in Berlin and later in Breslau under Albert Ladenburg. In 1893 he returned to Berlin at the Technische Hochschule, now the Technical University of Berlin, back. 1895 was the Habilitation and from 1921 he taught as a professor of chemistry and technology of medicinal substances.

Services

Wolff stone work was focused in the study of alkaloids. Together with Adolf Pinner he determined the structural formula of the alkaloid nicotine. The explosive acetone peroxide (APEX ) or triacetone ( " TATP " ) discovered Wolffenstein randomly at the Technical University Berlin. Developed by him with Oskar Boeters and 1909 patented the synthesis process for the preparation of dinitrophenol and trinitrophenol ( picric acid ) is known as Wolff stone Boeters reaction.

He dealt with the production of pure hydrogen peroxide H2O2 by distillation under reduced pressure ( 1894).

Writings

• The plant alkaloids, Richard Wolff stone, 3rd edition Berlin 1922

Weblink

• Works by or about Richard Wolff stone in the catalog that German national library

• Chemists ( 20th century)
• University teachers (Technical University Berlin)
• German
• Born in 1864
• Died in 1929
• Man