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A reflection on the current state of affairs, stating that it was "accepted after peer review and appears as an accepted article online prior to editing, proofing, and formal publication of the final Version of Record". The paper drew opprobrium [4] for criticizing the alleged "preferential status" of women and minorities in chemistry.
The Steglich esterification is a variation of an esterification with dicyclohexylcarbodiimide as a coupling reagent and 4-dimethylaminopyridine as a catalyst.The reaction was first described by Wolfgang Steglich in 1978. [1]
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An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.
An early precursor to the idea of bonded "combinations of atoms", was the theory of "combination via chemical affinity". For example, in 1718, building on Boyle's conception of combinations of clusters, the French chemist Étienne François Geoffroy developed theories of chemical affinity to explain combinations of particles, reasoning that a ...
Image credits: National Geographic #5. The 'Spanish Flu' actually likely got its start in Kansas, USA. It's only called the Spanish Flu because most countries involved in WWI had a near-universal ...
Niels Steensen (Danish: Niels Steensen; Latinized to Nicolas Steno [b] or Nicolaus Stenonius; [c] [8] 1 January 1638 – 25 November 1686 [9] [10] [NS: 11 January 1638 – 5 December 1686] [9]) was a Danish scientist, a pioneer in both anatomy and geology who became a Catholic bishop in his later years.