Diels-Alder reaction


Also found in: Dictionary, Wikipedia.

Diels-Alder reaction

[¦dēlz ¦äl·dər rē‚ak·shən]
(organic chemistry)
The 1,4 addition of a conjugated diolefin to a compound, known as a dienophile, containing a double or triple bond; the dienophile may be activated by conjugation with a second double bond or with an electron acceptor.
References in periodicals archive ?
Soucek and Wutticharoenwong (22,23) prepared three reactive diluents by functionalizing tung oil with different functional groups by Diels-Alder reactions with acrylate monomers, including alkoxysilane, triallyl ether, and fluorinated alkyl.
Romero Bohorquez AR, Kouznetsov VV (2010) An Efficient and Short Synthesis of 4-Aryl-3-methyltetrahydroquinolines from N-Benzylanilines and Propenylbenzenes through Cationic Imino Diels-Alder Reactions.
Calculation of electronic properties of aromatic dienophiles for reactivity prediction in Diels-Alder reactions.
experimental, techniques such as chemical, probing and X-ray analysis had not been able to reveal, the dynamics of the fast-paced Diels-Alder reaction, Smith said.
This was properly a diene synthesis but came to be called the Diels-Alder reaction.
When Corey first reported a laboratory synthesis of prostaglandins 21 years ago, chemists had no way of controlling the orientation at which these two reactants would approach each other during this step, known as a Diels-Alder reaction.
Keywords: Bromination reactions, 4-bromoindanone, 5-bromoindanone, Diels-Alder reaction, 3,5,10-tribromo-7H-benzo[c]fluoren-7-one
Project involves manufacturing of fragrance from organic raw materials by chemical process like hydrogenation, esterification, Diels-Alder reaction, cyclisation, dehydrogenation, aldol condensation etc.
According to a reported method [10], the triptycene-hydroquinone 2 was obtained in a good yield starting from the Diels-Alder reaction of p-benzoquinone and anthracene and subsequent rearrangement reaction using acetic acid/HBr as catalyst.
Cycloaddition reactions have proved to be the most powerful and successful reactions to construct these ring systems rapidly; while the acid-catalyzed imino Diels-Alder reaction (Povarov reaction) between 2-azadienes and electron-rich alkenes in its three-component version is one of the most powerful synthetic tools for the construction of nitrogen-containing six-membered heterocyclic compounds, including tetrahydroquinolines (Kouznetsov 2009, Glushkov et al.
Automend was produced by the UCLA team during experiments using the Diels-Alder reaction to develop extremely hard polymer materials.
5) that BCI-MX, due to its unique chemical structure, reacts with the dienes/trienes formed along the polymer backbone as a result of reversion via the classical Diels-Alder reaction mechanism to form new thermally stable, long and flexible carbon-carbon crosslinks which compensate for the loss of sulfidic crosslinks occurring during reversion (figure 1).