Definition of Pyrazine. Meaning of Pyrazine. Synonyms of Pyrazine

- 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...
- Alkylpyrazines are chemical compounds based on pyrazine with different substitution patterns. Some alkylpyrazines are naturally occurring highly aromatic...
- ethylene glycol on ethylene diamine hydrochloride, or by reduction of pyrazine with sodium in ethanol. A form in which piperazine is commonly available...
- It is isomeric with two other diazine (C4H4N2) rings, pyrimidine and pyrazine. Pyridazines are rare in nature, possibly reflecting the scarcity of naturally...
- flavour is most widely recognised, caused by pyrazines, which are more prevalent in under-ripened grapes. Pyrazine compounds are present in all Cabernet Sauvignon...
- axyridis, like other ladybeetles or ladybirds, uses isopropyl methoxy pyrazine as a defensive chemical to deter predation, and also carries this chemical...
- structural isomers: pyridazine (1,2-diazine) pyrimidine (1,3-diazine) pyrazine (1,4-diazine) 6-membered rings with one nitrogen atom: pyridines 6-membered...
- 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...