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Pyrazine is a
heterocyclic aromatic organic compound with the
chemical formula C4H4N2. It is a
symmetrical molecule with
point group D2h.
Pyrazine is less...
- doi:10.1093/chemse/10.3.287. Zhao, Chao; Cao, ****; Xiao,
Jianbo (2020). "
Pyrazines in Food".
Handbook of
Dietary Phytochemicals. Springer: 1–25. doi:10...
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nitrogen atoms at
positions 1 and 3 in the ring.: 250 The
other diazines are
pyrazine (nitrogen
atoms at the 1 and 4 positions) and
pyridazine (nitrogen atoms...
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functionalised 1,4-dihydropyrazines 5
which can be
aromatized to 1,4-
pyrazines 6 in the
presence of acid. 2,5-DKPs have been
shown to play a role in...
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highly odorous metabolites from an actinomycete: 2-Isopropyl-3-methoxy-
pyrazine, methylisoborneol, and geosmin.
Nancy N. Gerber,
Journal of
Chemical Ecology...
- ****inaldehyde.
Other aroma compounds of
toasted ****in are the
substituted pyrazines, 2-ethoxy-3-isopropylpyrazine, 2-methoxy-3-sec-butylpyrazine, and...
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toxic alkaloids,
azamacrolides and polyamines, as well as foul-smelling
pyrazines.
Coccinellids can
produce at
least 50
types of alkaloids. When disturbed...
- 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...
- It is
isomeric with two
other diazine (C4H4N2) rings,
pyrimidine and
pyrazine.
Pyridazines are rare in nature,
possibly reflecting the
scarcity of naturally...
- also
known as
Grindstaff pyrazine) is a
methoxypyrazine that is very
similar to
isopropyl methoxy pyrazine except that the
alkyl side-group contains...
