Hans von Pechmann
✓ Source-basedfallingGerman chemist (1850-1902)
ScientistsLived 1850 to 1902 · aged 52
Fame43.9
MomentumNot measured
Languages16
In century#12,690
Freiherr Hans von Pechmann 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, acetonedicarboxylic acid, methylglyoxal and diphenyltriketone; established the symmetrical structure of anthraquinone.
Photos 1
Scientists born in the 1850s 6
About this person
Category
Scientists
Type
Scientist
Status
deceased
Dates
Lived 1850 to 1902 · aged 52
Written about in
16 languages
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