# Hans von Pechmann

> 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.

*German chemist (1850–1902)*

**Canonical URL:** https://fame.am/person/hans-von-pechmann

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Born:** 1850-04-01
- **Died:** 1902-04-19
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 43.9 / 100
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- **Historical depth:** 13.3 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [Ганс фон Пехман](https://uk.wikipedia.org/wiki/%D0%93%D0%B0%D0%BD%D1%81_%D1%84%D0%BE%D0%BD_%D0%9F%D0%B5%D1%85%D0%BC%D0%B0%D0%BD)
- [هانز فون بيتشمان](https://arz.wikipedia.org/wiki/%D9%87%D8%A7%D9%86%D8%B2_%D9%81%D9%88%D9%86_%D8%A8%D9%8A%D8%AA%D8%B4%D9%85%D8%A7%D9%86)
- [هانس فون‌پشمان](https://azb.wikipedia.org/wiki/%D9%87%D8%A7%D9%86%D8%B3_%D9%81%D9%88%D9%86%E2%80%8C%D9%BE%D8%B4%D9%85%D8%A7%D9%86)
- [হান্স ফন পেখমান](https://bn.wikipedia.org/wiki/%E0%A6%B9%E0%A6%BE%E0%A6%A8%E0%A7%8D%E0%A6%B8_%E0%A6%AB%E0%A6%A8_%E0%A6%AA%E0%A7%87%E0%A6%96%E0%A6%AE%E0%A6%BE%E0%A6%A8)
- [Hans Freiherr von Pechmann](https://ca.wikipedia.org/wiki/Hans_Freiherr_von_Pechmann)
- [Hans von Pechmann](https://de.wikipedia.org/wiki/Hans_von_Pechmann)
- [Χανς φον Πέχμαν](https://el.wikipedia.org/wiki/%CE%A7%CE%B1%CE%BD%CF%82_%CF%86%CE%BF%CE%BD_%CE%A0%CE%AD%CF%87%CE%BC%CE%B1%CE%BD)
- [Hans von Pechmann](https://en.wikipedia.org/wiki/Hans_von_Pechmann)
- [Hans von Pechmann](https://es.wikipedia.org/wiki/Hans_von_Pechmann)
- [هانس فون‌پشمان](https://fa.wikipedia.org/wiki/%D9%87%D8%A7%D9%86%D8%B3_%D9%81%D9%88%D9%86%E2%80%8C%D9%BE%D8%B4%D9%85%D8%A7%D9%86)
- [Hans von Pechmann](https://fr.wikipedia.org/wiki/Hans_von_Pechmann)
- [Hans von Pechmann](https://nl.wikipedia.org/wiki/Hans_von_Pechmann)
- [Hans von Pechmann](https://pl.wikipedia.org/wiki/Hans_von_Pechmann)
- [Hans von Pechmann](https://pt.wikipedia.org/wiki/Hans_von_Pechmann)
- [Hans von Pechmann](https://sk.wikipedia.org/wiki/Hans_von_Pechmann)
- [Hans von Pechmann](https://sv.wikipedia.org/wiki/Hans_von_Pechmann)
- [Wikidata](https://www.wikidata.org/wiki/Q72095)

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