Definition of Pyrazine. Meaning of Pyrazine. Synonyms of Pyrazine

Here you will find one or more explanations in English for the word Pyrazine. Also in the bottom left of the page several parts of wikipedia pages related to the word Pyrazine and, of course, Pyrazine synonyms and on the right images related to the word Pyrazine.

Definition of Pyrazine

Pyrazine
Pyrazine Pyr"a*zine, n. Also -zin -zin . [Pyridine + Gr. ? not + ? life.] (Org. Chem.) A feebly basic solid, C4H4N2, obtained by distilling piperazine with zinc dust, and in other ways. Also, by extension, any of various derivatives of the same.

Meaning of Pyrazine from wikipedia

- Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C4H4N2. It is a symmetrical molecule with point group D2h. Pyrazine is less...
- threshold of a few ppb, the prin****l active compound is isopropyl methoxy pyrazine - this molecule is perceived as rancid peanut butter, green bell pepper...
- structural isomers: pyridazine (1,2-diazine) pyrimidine (1,3-diazine) pyrazine (1,4-diazine) 6-membered rings with one nitrogen atom: pyridines 6-membered...
- also known as Grindstaff pyrazine) is a methoxypyrazine that is very similar to isopropyl methoxy pyrazine except that the alkyl side-group contains...
- heterocyclic compound containing a ring complex made up of a benzene ring and a pyrazine ring. It is isomeric with other naphthyridines including quinazoline, phthalazine...
- Pteridine is an aromatic organic compound composed of fused pyrimidine and pyrazine rings. Pteridines also constitute a group of heterocyclic compounds containing...
- It is isomeric with two other diazine (C4H4N2) rings, pyrimidine and pyrazine. Pyridazines are rare in nature, possibly reflecting the scarcity of naturally...
- ethylene glycol on ethylene diamine hydrochloride, or by reduction of pyrazine with sodium in ethanol. A form in which piperazine is commonly available...
- flavour is most widely recognised, caused by pyrazines, which are more prevalent in under-ripened grapes. Pyrazine compounds are present in all Cabernet Sauvignon...
- highly odorous metabolites from an actinomycete: 2-Isopropyl-3-methoxy-pyrazine, methylisoborneol, and geosmin. Nancy N. Gerber, Journal of Chemical Ecology...