Hans von Pechmann, Date of Birth, Place of Birth, Date of Death
TweetHans von Pechmann
German chemist
Date of Birth: 
Place of Birth: Nuremberg, Bavaria, Germany
About Hans von Pechmann
- Hans von Pechmann (1 April 1850 – 19 April 1902) was a German chemist, renowned for his discovery of diazomethane in 1894.
- Pechmann condensation and Pechmann pyrazole synthesis.
- He also first prepared 1,2-diketones (e.g., diacetyl), acetonedicarboxylic acid, methylglyoxal and diphenyltriketone; established the symmetrical structure of anthraquinone. Von Pechmann also produced the first example of solid polyethylene serendipitously in 1898, via the decomposition of diazomethane. He was born in Nürnberg.
- After studying with Heinrich Limpricht at the University of Greifswald he became Professor at the University of Munich till 1895.
- He was professor at the University of Tübingen from 1895 until his death.
- He killed himself by taking cyanide, aged 52.
Read more at Wikipedia
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