Valence isomer — In organic chemistry, two molecules are valence isomers when they are constitutional isomers that can interconvert through pericyclic reactions. [GoldBookRef |file=V06590 |year=1994 |title=Valence isomer] For example, Dewar benzene transforms… … Wikipedia
valence isomer — noun Any of a set of structural isomers that are related by a pericyclic reaction … Wiktionary
Коптюг — Коптюг, Валентин Афанасьевич Валентин Афанасьевич Коптюг Дата рождения: 9 июня 1931(1931 06 09) Место рождения: Юхнов, Западная область, СССР Дата смерти: 10 января 1997 … Википедия
Prismane — Chembox new Name = Prismane ImageFile = Prisman2.svg ImageName = Chemical structure of prismane ImageFile1 = prismane stick.png ImageName1 = Chemical structure of prismane ImageFile2 = prismane CPK.png ImageName2 = CPK model of prismane IUPACName … Wikipedia
Claus' benzene — (C6H6) is a hypothetical hydrocarbon and an isomer of benzene [1]. It was proposed by Adolf Karl Ludwig Claus in 1867 [2] as a possible structure for benzene at a time when the structure of benzene was debated. The molecule can be described as a… … Wikipedia
Tanning bed — A tanning bed or sunbed is a device emitting ultraviolet radiation (typically 95% UVA and 5% UVB, +/ 3%) used to produce a cosmetic tan. Regular tanning beds use several fluorescent lamps that have phosphor blends designed to emit UV in a… … Wikipedia
3-prismane — [3]prismane … Wikipédia en Français
650-42-0 — 3 prismane [3]prismane … Wikipédia en Français
Benzène Ladenburg — 3 prismane [3]prismane … Wikipédia en Français
Metallacycle — In organometallic chemistry, a metallacycle is a derivative of a carbocyclic compound wherein a metal has replaced at least one carbon center.[1][2] Metallacycles appear frequently as reactive intermediates in catalysis, e.g. olefin metathesis… … Wikipedia