Adipaldehyde
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Adipaldehyde
Adipaldehyde is the organic compound with the formula . It is a colorless oil that is usually encountered as an aqueous solution because it is highly reactive like many dialdehydes. The compound has attracted interest as a precursor to nylon Nylon is a family of synthetic polymers characterised by amide linkages, typically connecting aliphatic or Polyamide#Classification, semi-aromatic groups. Nylons are generally brownish in color and can possess a soft texture, with some varieti ...-related polymers. It can be produced by double hydroformylation of 1,3-butadiene, but this methodology has not achieved commercialization. It has been prepared by oxidation of 1,6-hexanediol with pyridinium chlorochromate.{{cite journal , doi=10.1016/s0040-4039(00)75204-x , title=Pyridinium Chlorochromate. An efficient reagent for oxidation of primary and secondary alcohols to carbonyl compounds , date=1975 , last1=Corey , first1=E.J. , last2=Suggs , first2=J.William , journal=Tetrahedron L ...
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Dicarbonyl
In organic chemistry, a dicarbonyl is a molecule containing two carbonyl () groups. Although this term could refer to any organic compound containing two carbonyl groups, it is used more specifically to describe molecules in which both carbonyls are in close enough proximity that their reactivity is changed, such as 1,2-, 1,3-, and 1,4-dicarbonyls. Their properties often differ from those of monocarbonyls, and so they are usually considered functional groups of their own. These compounds can have symmetrical or unsymmetrical substituents on each carbonyl, and may also be functionally symmetrical (dialdehydes, diketones, diesters, ''etc.'') or unsymmetrical (keto-esters, keto-acids, ''etc.''). 1,2-Dicarbonyls 1,2-Dialdehyde The only 1,2-dialdehyde is glyoxal, . Like many alkyldialdehydes, glyoxal is encountered almost exclusively as its hydrate and oligomers thereof. These derivatives often behave equivalently to the aldehydes since hydration is reversible. Glyoxal condenses ...
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