pericyclic reaction


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pericyclic reaction

[‚per·ə¦sīk·lik rē′ak·shən]
(organic chemistry)
Any one of a group of reactions that involve conjugated polyenes and proceed by single-step (concerted) reaction mechanisms.
References in periodicals archive ?
Coran's mechanism is based on a zinc mediated pericyclic reaction or `ene' reaction.
Other topics are molecular structure and reactivity, general principles for writing reaction mechanisms, reactions of nucleophiles and bases, reactions involving acids and other electrophiles, radicals and radical ions, and pericyclic reactions.
Other pericyclic reactions are in the same category: dipolar cyclo-additions, photochemical 2+2 reactions, and so on.
The widest and most important groups of such systems are those based on the reversible light-induced hexatriene/cyclohexadiene pericyclic reactions such as in fulgides (4), diaryethenes (5), spiropyrans (6), and spirooxazines (7).
He describes quantum mechanics for organic chemistry, fundamentals of organic chemistry, pericyclic reactions, diradicals and carbenes, organic reactions of anions, solution-phase organic chemistry, and organic reaction dynamics, all of which he punctuates with personal interviews with leading lights in the field.
Barriault's research involves the development of novel strategies using tandem pericyclic reactions to construct complex bio-active natural products.
Given the broadened nature of the subject, they have reorganized the material on the basis of functional groups and offer 12 chapters that parallel most classical organic chemistry textbooks in their coverage of alkanes, alkenes, alkynes, alcohols and ethers, organic halides, aromatics, aldehydes and ketones, carboxylic acid and derivatives, conjugated carbonyl compounds, amines, and pericyclic reactions.
Pericyclic reactions, the third reaction mechanism are not common in this discussion.
Ron Childs, FCIC, has an international reputation for his studies of homoaromaticity and thermal and photochemical pericyclic reactions of carbenium ions.
Topics discussed include: simple molecular properties, pericyclic reactions, carbenes and radicals, anion chemistry, solvent effects, and more.