benzene ring


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  • noun

Synonyms for benzene ring

a closed chain of 6 carbon atoms with hydrogen atoms attached

References in periodicals archive ?
Greatest sorption was measured with the PCH and CAF, an effect attributed to the catechol moiety, comprising a benzene ring and two hydroxyl groups (Fig.
66 (2 H) indicated that 4 had an 1,4-di-substituted benzene ring.
In fact, the increase in the electron donating power of substituents on the ortho-, meta- and para- positions of benzene ring notably increases the yields of the ortho-OH(D) isomers and also conversely, the increase in electron withdrawing power of the substituents on the ortho-, meta- and para- positions of benzene ring remarkably affects the rearrangement and ortho-OH(D) isomers are not produced.
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.
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.
In addition to these changes, the spectrum of chromium trioxide modified veneers also showed weakening of bands at wavenumbers of 2900 (C-H stretching), 1230 (C=O stretching in xylan), 895 (C1 group frequency in cellulose and hemicellulose), 810 (1, 3, 4--substituted benzene ring in softwoods), and 680 (COH out-of-plane bending in cellulose).
Greenberg's hypothesis is that the ouroboros might have inspired Auguste Kekule in imaging the benzene ring.
The most abundant, with a benzene ring, has never before been isolated from a living thing.
It is also evident that substitution in the para-position of the benzene ring by hydroxy or methoxy group increases the accelerating efficiency of these compounds.