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Diels-Alder reaction
(redirected from Dienophile)

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Diels-Alder reaction [ˈdiːlzˈɔːldə]
n
(Chemistry) Chem a type of chemical reaction in which one organic compound containing conjugated double bonds adds to another containing an ethylenic bond to form a product containing a ring
[named after Otto Diels (1876-1954) and Kurt Alder (1902-58), German chemists]
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Of the various Lewis acids and ligands screened, a combination of Yb(OTf)3 and diphenyl Pybox ligand gave the best selectivity (25:75 endo:exo) while using a dienophile derived from a pyrazolidinone.
Chemistry and chemical engineering by Journal of the Mississippi Academy of Sciences
With the new approach, says Corey, "the chemzyme brings together the diene and dienophile in a very specific three-dimensional arrangement that gives only one of the 16 possible products.
Building chemicals the new-fashioned way by Amato, I. / Science News
 
 
 
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