stereochemistry

Jacobus Henricus van ‘t Hoff and Physical Chemistry

Jacobus Henricus van ‘t Hoff and Physical Chemistry

On August 30, 1852, Dutch physical chemist Jacobus Henricus Van ‘t Hoff was born. Van ‘t Hoff was the first winner of the Nobel Prize in Chemistry. His pioneering work helped found the modern theory of chemical affinity, chemical equilibrium, chemical kinetics, and chemical thermodynamics. He formulated the theory of the tetrahedral carbon atom and laid the foundations of stereochemistry and predicted the correct structures of allenes and cumulenes as well as their…
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Paul Walden and the Walden Inversion

Paul Walden and the Walden Inversion

On July 26, 1863, Russian and Latvian-German chemist Paul Walden was born. Walden is known for his work in stereochemistry and history of chemistry. In particular he invented the stereochemical reaction known as Walden inversion and synthesized the first room-temperature ionic liquid, ethylammonium nitrate. Born in Latvia among 13 Children Paul Walden was born in Rozula in present-day Stalbe parish, Pārgauja municipality, Latvia as the youngest of 13 children in a peasant…
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