The
construction
of
heat-resistant
fused
heterocyclic
compounds
are
increasingly
fascinating
in
the
field
energetic
materials
not
only
because
it
usually
behaves
high
density
but
also
shows
excellent
energy,
thermal
stability
and
low
sensitivity.
In
present
study,
a
novel
imidazo[1,2-b]pyridazine
ring-based
explosive,
3,7-dinitroimidazo[1,2-b]pyridazine-6,8-diamine
(4)
was
synthesized
by
three-step
facile
method.
Compound
4
has
(1.856
g•cm-3)
sensitivity
(IS
=40
J,
FS
=
350
N).
Meanwhile,
good
decomposition
temperature
324°C,
which
is
superior
to
conventional
heat
resistant
explosive
HNS
(Td
318°C).
addition,
detonation
performance
compound
(D=8336
m•s-1,
P=27.25
GPa)
significantly
better
than
both
TNT
(D=6881
P=19.5
(D=7612
P=24.3GPa).
Theoretical
analysis
that
effect
“NH2-NO2-NH2”
intramolecular
hydrogen
bonding
interaction
may
be
main
reason
for
causing
heat-resistance
imidazolopyridazine
materials.
results
suggest
promising
building
block
candidate
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(15), P. 10467 - 10471
Published: July 20, 2024
Full
nitration
is
one
of
the
most
effective
strategies
used
in
synthesizing
high-density
energetic
materials,
but
this
strategy
has
reached
its
limit
because
resultant
compounds
cannot
be
further
functionalized.
To
overcome
limitation,
we
present
synergistic
action
full
and
strong
intermolecular
H-bonding
designing
1-trinitromethyl-3,5-dinitro-4-nitroaminopyrazole
(DNTP)
with
a
density
that
exceeds
those
reported
monocyclic
CHON
compounds.
The
detonation
velocity
specific
impulse
DNTP
exceed
1-trinitromethyl-3,4,5-trinitropyrazole
(TTP),
HMX,
ADN.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
Heat-resistant
energetic
compounds
are
of
great
importance
in
the
field
material
chemistry.
Here,
we
report
a
practical
synthesis
series
fused-ring
via
combination
1,2,3-triazine
N-oxide
and
2,4,6-trinitroaniline
moieties.
Starting
from
known
compound
4,6-diamino-2-chloropyrimidine-5-carbonitrile
(1),
nucleophilic
substitution
followed
by
one-step
nitration
introduced
three
nitro
groups
onto
benzene
ring
moiety,
simultaneously.
The
resulting
4-7
exhibited
high
decomposition
temperature
(Td
>
250
°C)
as
well
relatively
good
detonation
properties
low
sensitivities.
Energetic Materials Frontiers,
Journal Year:
2024,
Volume and Issue:
5(1), P. 1 - 7
Published: Feb. 7, 2024
Constructing
heat-resistant
fused
heterocyclic
compounds
is
increasingly
fascinating
in
the
field
of
energetic
materials
due
to
their
excellent
energy,
high
thermal
stability,
and
low
sensitivity,
as
well
density
general.
This
study
synthesized
a
novel
explosive
based
on
imidazo
[1,2-b]pyridazine
ring,3,7-dinitroimidazo
[1,2-b]pyridazine-6,8-diamine
(5),using
three-step
facile
method.
compound
exhibited
(1.856
g
cm−3)
mechanical
sensitivities
(IS
=
40
J,
FS
350
N).
Meanwhile,
it
displayed
higher
decomposition
temperature
324
°C
compared
conventional
HNS
(Td
318
°C).
In
addition,
demonstrated
significantly
detonation
performance
(D
8336
m
s−1,
p
27.25
GPa)
than
both
TNT
6881
19.5
7612
24.3
GPa).
Theoretical
analysis
shows
that
intramolecular
hydrogen
bonding
interactions
NH2–NO2–NH2
might
be
main
reason
for
heat
resistance
ring.
The
results
this
suggest
5
promising
building
block
candidate
materials.
Crystal Growth & Design,
Journal Year:
2023,
Volume and Issue:
23(9), P. 6756 - 6764
Published: July 27, 2023
A
series
of
novel
energetic
materials
(EMs)
based
on
a
single
triazole–tetrazole
material,
(Z)-N-(5-nitro-2-(1H-tetrazol-5-yl)-2,4-dihydro-3H-1,2,4-triazol-3-ylidene)nitramide
(HNANTT)
with
tremendous
physicochemical
(d
=
1.833
g
cm–3
and
ΔHf
715.8
kJ
mol–1)
properties
(Dv
9209
m
s–1
P
36.38
GPa),
were
obtained.
Detailed
crystal
structures
HNANTT
NANTT-5,
7,
8,
9,
11,
13
determined
by
single-crystal
X-ray
diffraction.
Based
HNANTT,
three
kinds
coordination
polymers
(ECPs)
(NANTT-5,
8),
four
salts
(NANTT-9,
10,
12),
one
cocrystal
(NANTT-13)
prepared
characterized
to
develop
EMs
different
advantages.
By
modifying
all
NANTT
derivatives
(except
NANTT-10)
showed
good
mechanical
sensitivity
(IS
>
40
J,
FS
360
N),
NANTT-ECP-8
achieving
the
highest
density
(2.729
cm–3)
thermal
stability
(287
°C),
NANTT-12
has
detonation
performances
9225
30.87
GPa)
among
materials,
while
co-crystal
exhibited
best
comprehensive
performance,
superior
9035
30.12
higher
(236
N
+
O
content
83.2%.
Crystal Growth & Design,
Journal Year:
2024,
Volume and Issue:
24(12), P. 4966 - 4974
Published: June 10, 2024
Development
and
production
of
novel
high-performing
nitrogen-rich
energetic
compounds
with
a
safe
environmentally
friendly
nature
are
significant
in
the
pursuit
new-generation
green
materials.
Despite
growing
interest
cations
recent
years,
fused
heterocyclic
have
rarely
been
reported.
In
following
study,
series
materials
comprising
purine
oxidants
were
prepared
using
noncovalent
self-assembly
method.
Elemental
analysis,
mass
spectrometry
(MS),
IR
spectroscopy,
differential
scanning
calorimetry
(DSC)
used
to
characterize
these
synthesized
thoroughly.
The
structures
supramolecules
(1–4)
further
verified
by
employing
single-crystal
X-ray
diffraction
technique,
standard
BAM
methods
determine
sensitivities.
Furthermore,
theoretical
calculations
experimental
data
elucidate
relationship
between
structure
properties.
Comprising
several
benefits
such
as
simple
facile
preparation,
high
yield,
density,
superior
thermostability,
insensitive
nature,
good
detonation
properties,
regarded
competitive
In
recent
decades,
there
has
been
considerable
interest
in
investigating
advanced
energetic
materials
characterized
by
high
stability
and
favorable
properties.
Nevertheless,
reconciling
the
conflicting
balance
between
energy
insensitivity
of
such
through
traditional
approaches,
which
involve
integrating
fuel
frameworks
oxidizing
groups
into
an
organic
molecule,
presents
significant
challenges.
this
study,
we
employed
a
promising
method
to
fabricate
high-energy-density
(HEDMs)
intermolecular
assembly
variously
substituted
purines
with
high-energy
oxidant.
Purines
are
abundant
nature
readily
available.
A
series
good
sensitivity
were
prepared
simple
effective
self-assembly
oxidants.
Notably,
these
compounds
exhibit
incredibly
improved
crystal
densities
(1.80-2.00
g·cm
