Definition of Quinoid. Meaning of Quinoid. Synonyms of Quinoid

- organic chemistry, quinoids are a class of chemical compounds that are derived from quinone. Unlike benzenoid structures, the quinoid part is not aromatic...
- dication. Structure 2a is a (singlet) diradical and 2b is the closed s**** quinoid. The experimental bond lengths for the central vinylidene group in 2 are...
- or diethyl ether. The radical 2 forms a chemical equilibrium with the quinoid-type dimer 3 (Gomberg's dimer). In benzene the concentration of the radical...
- and Gazzolo reacted trinitroanisole with sodium methoxide and proposed a quinoid structure for the reaction product. In 1902 Jakob Meisenheimer observed...
- by absorbing light in the visible region (some examples are nitro, azo, quinoid groups) and an auxochrome which serves to deepen the color. This theory...
- 1972). "Dihydropteridine reductase. Investigation of the specificity for quinoid dihydropteridine and the inhibition by 2,4-diaminopteridines". European...
- denticulata is known to contain the contact allergens primin and other quinoid compounds. Colour forms Wikimedia Commons has media related to Primula...
- counterexamples are cyclooctadecanonaene, azulene and trans-bicalicene. Quinoid Aromatic compound Tomlinson, Muriel (1971). An Introduction to the Chemistry...
- which was prepared by Moses Gomberg in his quest for hexaphenylethane. Its quinoid structure has been determined by X-ray crystallography. The C-C bond that...
- 4'-viologens and green for 2,2'-derivatives. The second reduction yields a yellow quinoid compounds: [V]+ + e− ↽ − ⇀ {\displaystyle {\ce {<=>>}}} [V]0 The electron...