Search results
Results from the WOW.Com Content Network
For instance, Clar's rule can be used to predict several properties of graphene nanoribbons. [10] Aromatic π-sextets play an important part in the determination of the ground state of open shell biradical-type structures., [4] Clar's rule can rationalize the observed decrease in the bandgap of holey graphenes with increasing size. [11]
According to Clar's rule, [20] the resonance structure of a PAH that has the largest number of disjoint aromatic pi sextets—i.e. benzene-like moieties—is the most important for the characterization of the properties of that PAH. [21] Benzene-substructure resonance analysis for Clar's rule
In this organic reaction, a tertiary alcohol is cleaved in an organic oxidation by a peroxyacid to a ketone.The acid used is often p-nitroperoxybenzoic acid because the p-nitrobenzoic acid anion is a good leaving group.
Erich Clar (23 August 1902 – 27 March 1987) was an Austrian organic chemist, born in Hřensko, who studied polycyclic aromatic hydrocarbon chemistry. He is considered as the father of that field. [ 1 ]
A 1,2-rearrangement is an organic reaction where a substituent moves from one atom to another atom in a chemical compound. In a 1,2 shift the movement involves two adjacent atoms but moves over larger distances are possible. Skeletal isomerization is not normally encountered in the laboratory, but is the basis of large applications in oil ...
Joe Tenebruso's "Tier 1 Portfolio" has been beating the market handily since its inception. In this series of interviews, Joe talks about what makes a Tier 1 company and which stocks make the cut.
Based on Woodward–Hoffmann rules, the electrocyclic opening of norcaradiene derivatives is a 6-electron disrotatory (π 4 s + σ 2 s), thermally allowed process. ring opening. The norcaradiene-cycloheptatriene equilibrium has been studied extensively. [11] The position of the equilibrium depends upon steric, electronic and conformational ...
The Auwers synthesis is a series of organic reactions forming a flavonol from a coumarone.This reaction was first reported by Karl von Auwers in 1908. [1] [2] [3] [4 ...