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The United States National Chemistry Olympiad (or USNCO) is a contest held by the American Chemical Society (ACS) used to select the four-student team that represents the United States at the International Chemistry Olympiad (IChO). Each local ACS section selects 10 students (or more for larger ACS sections) to take the USNCO National Exam.
In 1874, a group of American chemists gathered at the Joseph Priestley House to mark the 100th anniversary of Priestley's discovery of oxygen.Although there was an American scientific society at that time (the American Association for the Advancement of Science, founded in 1848), the growth of chemistry in the U.S. prompted those assembled to consider founding a new society that would focus ...
The Journal of Organic Chemistry, colloquially known as JOC, is a peer-reviewed [1] scientific journal for original contributions of fundamental research in all branches of theory and practice [2] in organic and bioorganic chemistry. It is published by the publishing arm of the American Chemical Society, with 24 issues per year.
Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. [1]
The Willard Gibbs Award, [1] presented by the Chicago Section of the American Chemical Society, was established in 1910 by William A. Converse (1862–1940), a former Chairman and Secretary of the Chicago Section of the society and named for Professor Josiah Willard Gibbs (1839–1903) of Yale University.
Although he developed interests in metal atom chemistry and hydride reagents for organic synthesis, he made his early reputation in C 1 chemistry – specifically the chemistry of metal formyl (-CHO), hydroxymethyl (-CH 2 OH), formaldehyde (H 2 C=O), and methylidene (=CH 2) complexes, as well as related species that were rare at that time (and ...
In practice, many systems are well approximated as operating under kinetic control, due to negligibly slow equilibration. For example, many enantioselective catalytic systems provide nearly enantiopure product (> 99% ee), even though the enantiomeric products have the same Gibbs free energy and are equally favored thermodynamically.
[3] [4] For these reasons, Grubbs catalysts have become popular in synthetic organic chemistry. [5] Grubbs, together with Richard R. Schrock and Yves Chauvin , won the Nobel Prize in Chemistry in recognition of their contributions to the development of olefin metathesis.