benzene ring


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benzene ring

[′ben‚zēn ‚riŋ]
(organic chemistry)
The six-carbon ring structure found in benzene, C6H6, and in organic compounds formed from benzene by replacement of one or more hydrogen atoms by other chemical atoms or radicals.
References in periodicals archive ?
Moreover, we discovered that the [3,3]sigmatropic reaction might not take place when there is a leaving group in the electron-poor benzene ring of phenylhydrazone (97), (36) as shown in eq.
Similarly, in the case of alkylbenzenes, a tendency to integrate could exist between the benzene ring (-[delta]) and a hydrogen of the terminal group of the -C[H.
66 (2 H) indicated that 4 had an 1,4-di-substituted benzene ring.
Complexing patterns of this type are quite common for the similar compounds with single or isolated carboxyl groups attached to the benzene ring such as benzoic, p-phthalic, 3-hydroxybenzoic, 3,4-dihydroxybenzoic, gallic, etc.
The reason for this difference has to do with loss of aromaticity in the benzene ring adjacent to the dicarbonyl groups.
1] and C=C stretching in benzene ring (in MDI units) at [1600cm.
But at very high temperatures, the benzene ring does decompose to form hydrogen gas and carbon.
It indicated that benzene ring is nearly parallel with the 1,3,4-thaidiazole ring.
Inspectors in four districts (Boston, Pittsburg, San Francisco, and Dallas) appear to have adopted uniforms that differed in type but usually incorporated the crossed retorts and benzene ring that served as the branch insignia of the CWS.
And the benzene ring is the basis of all organic life; without it there would be no life at all.
The band around 1497-1495 is attributes to the tri-substituted benzene ring mode in the oxazine structure.