Heinrich Emil Albert Knoevenagel (18 June 1865 – 11 August 1921) was the

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe t ...

who established the

Knoevenagel condensation In organic chemistry, the Knoevenagel condensation () reaction is a type of chemical reaction named after German chemist Emil Knoevenagel. It is a modification of the aldol condensation. A Knoevenagel condensation is a nucleophilic addition o ...

reaction. The Knoevenagel condensation reaction of benzaldehydes with nitroalkanes is a classic general method for the preparation of

nitroalkene A nitroalkene, or nitro olefin, is a functional group combining the functionality of its constituent parts, an alkene and nitro group, while displaying its own chemical properties through alkene activation, making the functional group useful in sp ...

s, which are very valuable synthetic intermediates.

Works

* * ''Praktikum des anorganischen Chemikers : Einführung in die anorganische Chemie auf experimenteller Grundlage'' . Veit, Leipzig 2nd ed. 190
Digital edition
by the University and State Library Düsseldorf

External links

Reaction description (in German)

References

* {{DEFAULTSORT:Knoevenagel, Emil 1865 births 1921 deaths 20th-century German chemists Heidelberg University faculty Scientists from Hanover 19th-century German chemists