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...
- 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...
- also known as Grindstaff pyrazine) is a methoxypyrazine that is very similar to isopropyl methoxy pyrazine except that the alkyl side-group contains...
- ethylene glycol on ethylene diamine hydrochloride, or by reduction of pyrazine with sodium in ethanol. A form in which piperazine is commonly available...
- structural isomers: pyridazine (1,2-diazine) pyrimidine (1,3-diazine) pyrazine (1,4-diazine) 6-membered rings with one nitrogen atom: pyridines 6-membered...
- Alkylpyrazines are chemical compounds based on pyrazine with different substitution patterns. Some alkylpyrazines are naturally occurring highly aromatic...
- 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...
- rings   Benzene Naphthalene Anthracene Pyridine Quinoline Isoquinoline Pyrazine Quinoxaline Acridine Pyrimidine Quinazoline Phe****ne Pyridazine Cinnoline...
- This is also a naturally occurring compound in Sauvignon grapes, and so pyrazine taint has been known to make Rieslings taste like Sauvignon blanc.[citation...