-
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...
-
include darigabat (an imidazo[4,5-c]
pyridazine), as well as GBLD-345 and SRI-42127 (both imidazo[1,2-b]
pyridazines).
Malik MS,
Alshareef HF,
Alfaidi KA...
- 1002/cber.188301601154. Parrick, J.; Shaw, C. J. G.; Mehta, L. K. (2000). "
Pyridazines, cinnolines,
benzocinnolines and phthalazines". Rodd's
Chemistry of Carbon...
-
second N
gives rise to the
diazine heterocycles (C4H4N2), with the
names pyridazine, pyrimidine, and pyrazine.
Impure pyridine was
undoubtedly prepared by...
-
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- been
replaced by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...
- 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...
