-
isomeric with two
other diazine (C4H4N2) rings,
pyrimidine and pyrazine.
Pyridazines are rare in nature,
possibly reflecting the
scarcity of
naturally occurring...
-
other diazines are
pyrazine (nitrogen
atoms at the 1 and 4 positions) and
pyridazine (nitrogen
atoms at the 1 and 2 positions). In
nucleic acids,
three types...
-
molecule with
point group D2h.
Pyrazine is less
basic than pyridine,
pyridazine and pyrimidine. It is a "deliquescent
crystal or wax-like
solid with a...
-
second CH bond with N gives,
depending on the
location of the
second N,
pyridazine, pyrimidine, or pyrazine. Four
chemical processes contribute to industrial...
- been
replaced by
isolobal nitrogen.
There are
three structural isomers:
pyridazine (1,2-diazine)
pyrimidine (1,3-diazine)
pyrazine (1,4-diazine) 6-membered...
-
conversion of
hydrazine to
heterocyclic rings such as
pyrazoles and
pyridazines.
Examples of
commercialized bioactive hydrazine derivatives include cefazolin...
-
Barlin GB,
Ireland SJ, Ngu MM (October 1992). "Substituted imidazo[1,2-b]
pyridazines. New
compounds with
activity at
central and
peripheral benzodiazepine...
- with
hydrazines afford dihydropyridazines,
which can be
converted to
pyridazines. para-quinone, C4H4(CO)2, is the
parent of a
large family of 1,4-****tones...
-
Hydracarbazine is a
pyridazine that has
found use as an
antihypertensive agent.
Liberman D,
Rouaix A (1959). "Hydrazino
derivatives of some heterocyclic...
-
Heteroatoms Saturated Unsaturated 2 ×
Nitrogen Piperazine Pyrazine Pyrimidine Pyridazine Nitrogen +
Oxygen Morpholine Oxazine Nitrogen +
Sulfur Thiomorpholine...
