1832Wöhler and Liebig Discover and Explain Functional Groups in Organic Chemistry

Friedrich Wöhler and Justus von Liebig discover and explain ...
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1825
1828
1832
1857

⚛️ Wöhler and Liebig Discover Isomers

Friedrich Wöhler and Justus von Liebig perform the first confirmed discovery and explanation of isomers, earlier named by Berzelius. Working with cyanic acid and fulminic acid, they correctly deduce that isomerism was caused by differing arrangements of atoms within a molecular structure.
Wöhler and Liebig Discover Isomers (1825)
ChemistryIsomerismMolecular structureOrganic chemistry19th centuryAtomsScientific discovery
GermanyGermany

🧪 Friedrich Woehler Synthesizes Urea

Friedrich Woehler synthesized urea; first synthesis of an organic compound from inorganic starting materials.
Friedrich Woehler Synthesizes Urea (1828)
ChemistryOrganic chemistryUreaChemical synthesisVitalism19th centuryWoehler
GermanyGermany

⚗️ Friedrich Wöhler Synthesizes Urea, Disproving Vitalism

Friedrich Wöhler synthesizes urea, thereby establishing that organic compounds could be produced from inorganic starting materials, disproving the theory of vitalism.
Friedrich Wöhler Synthesizes Urea, Disproving Vitalism (1828)
ChemistryOrganic chemistryUreaChemical synthesisVitalism19th centuryWoehler
GermanyGermany

🧪 Wöhler and Liebig Discover and Explain Functional Groups in Organic Chemistry

Friedrich Wöhler and Justus von Liebig discover and explain functional groups and radicals in relation to organic chemistry.
Wöhler and Liebig Discover and Explain Functional Groups in Organic Chemistry (1832)
Organic ChemistryChemistryFunctional GroupsWöhlerLiebig19th CenturyChemical Theory
GermanyGermany

⚛️ Friedrich August Kekulé proposes carbon tetravalence

Friedrich August Kekulé von Stradonitz proposes that carbon is tetravalent, or forms exactly four chemical bonds.
Friedrich August Kekulé proposes carbon tetravalence (1857)
Carbon TetravalenceMolecular StructureFriedrich August KekuléOrganic ChemistryChemical Bonds19th CenturyChemistry
GermanyGermany