Journal of Heterocyclic Chemistry,
Год журнала:
2023,
Номер
61(3), С. 401 - 406
Опубликована: Дек. 19, 2023
Abstract
A
series
of
five
and
six‐membered
C‐C
bonded
energetic
materials
(
2
–
7
)
based
on
a
combination
imidazole‐triazine
triazole‐triazine
backbones
were
designed,
synthesized,
characterized
using
NMR,
IR,
Mass
spectrometry,
TGA‐DSC
studies.
Further,
the
structure
compound
4
was
supported
by
single‐crystal
X‐ray
analysis.
All
newly
synthesized
compounds
exhibit
good
density,
excellent
thermal
stability,
detonation
performance,
low
mechanical
sensitivity
toward
impact
friction.
Among
all,
nitrate
salt
exhibits
balanced
properties,
including
high
density
(1.80
g
cm
−3
),
stability
(254°C),
velocity
(8178
m
s
−1
towards
The
facile
synthetic
feasibility,
insensitivity
all
molecules
suggest
they
can
be
used
as
an
insensitive
secondary
explosive
in
various
defense
civilian
applications.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(17), С. 10050 - 10058
Опубликована: Янв. 1, 2024
A
zwitterionic
fused-ring
based
energetic
material
(ZDPT)
was
prepared.
ZDPT
has
excellent
thermal
stability
(
T
d
=
347
°C
)
and
great
detonation
velocity
D
8390
m
s
−1
),
which
endow
with
potential
as
a
heat-resistant
material.
Chemistry - An Asian Journal,
Год журнала:
2024,
Номер
19(17)
Опубликована: Июнь 10, 2024
Abstract
Zwitterionic
compounds
are
an
emergent
class
of
energetic
materials
and
have
gained
synthetic
interest
many
in
the
recent
years.
Due
to
their
better
packing
efficiencies
strong
inter/intramolecular
electrostatic
interactions,
they
often
ensue
superior
properties
than
salt
analogues.
A
systematic
review
from
perspective
design,
synthesis,
physicochemical
evaluation
zwitterionic
is
presented.
Depending
on
parent
ring(s)
used
for
synthesis
type
moieties
bearing
positive
negative
charges,
different
classes
materials,
such
as
primary
explosives,
secondary
heat
resistant
oxidizers,
etc.,
may
result.
The
some
also
compared
with
analogous
salts.
This
will
encourage
readers
explore
possibility
designing
new
materials.
Organic Letters,
Год журнала:
2024,
Номер
26(22), С. 4788 - 4792
Опубликована: Май 29, 2024
gem-Dinitro
methyl
based
high-energy-density
material
5-(dinitromethylene)-4,5-dihydro-1H-1,2,4-triazole
(2)
and
its
hydroxylamine
salt
(4)
were
synthesized
for
the
first
time
in
a
single
step
characterized.
Further,
structure
of
2
was
confirmed
by
single-crystal
X-ray
diffraction
(SCXRD)
studies.
Interestengly,
both
compounds
show
excellent
density
(>
1.83
g
cm-3),
detonation
velocity
8700
m
s–1),
pressure
30
GPa)
are
insensitive
toward
mechanical
stimuli
such
as
impact
friction
sensitivity.
Considering
their
synthetic
fesibility
balanced
energetic
performance,
4
future
prospects
potential
next-generation
materials
replacenent
many
presently
used
benchmark
high
energy
RDX,
FOX-7
highly
H-FOX.
Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(32), С. 6604 - 6616
Опубликована: Янв. 1, 2023
This
work
demonstrates
the
synthesis,
characterization,
and
energetic
properties’
evaluation
of
polynitro-functionalized
4-phenyl-1
H
-pyrazole-based
heat-resistant
explosives.
Organic Letters,
Год журнала:
2023,
Номер
25(48), С. 8606 - 8610
Опубликована: Ноя. 29, 2023
In
this
work,
we
have
synthesized
3,5-dihydrazinyl-4-nitro-1H-pyrazole
(2),
9-nitro-1H-pyrazolo[3,2-c:5,1-c']bis([1,2,4]triazole)-3,6-diamine
(3),
and
N-N-bonded
N,N'-{[4,4'-bi(1,2,4-triazole)]-3,3'-diyl}dinitramide
(5)
its
stable
nitrogen-rich
energetic
salts
in
one
two
steps
quantitative
yields
from
commercially
available
inexpensive
starting
material
4,6-dichloro-5-nitropyrimidine
(1).
Along
with
characterization
via
nuclear
magnetic
resonance,
infrared,
differential
scanning
calorimetry,
elemental
analysis,
the
structures
of
2
4-8
were
confirmed
by
single-crystal
X-ray
diffraction.
Interestingly,
5-8
show
excellent
thermal
stability
(242,
221,
250,
242
°C,
respectively)
compared
to
that
RDX
(210
°C).
Detonation
velocities
2,
4,
6,
7
range
8992
9069
m
s-1,
which
are
better
than
(8878
s-1)
close
HMX
(9221
s-1).
All
these
compounds
insensitive
impact
(10-35
J)
friction
(360
N)
sensitivity.
These
performances,
stabilities,
synthetic
feasibilities
make
promising
candidates
as
secondary
explosives
potential
replacements
for
presently
used
benchmark
HMX.
CrystEngComm,
Год журнала:
2024,
Номер
26(12), С. 1730 - 1737
Опубликована: Янв. 1, 2024
We
have
successfully
synthesized
4-nitro-5-dinitromethyl-1,2,3-triazole
by
combining
dinitromethyl
and
nitro
groups
with
1,2,3-triazole,
further
prepared
several
energetic
salts
higher
density
good
detonation
properties.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(32), С. 15144 - 15153
Опубликована: Авг. 2, 2024
Two
novel
nitrogen-rich
green
energetic
compounds
were
synthesized
for
the
first
time
from
readily
available
and
cost-effective
pyrazine
starting
materials.
All
newly
molecules
comprehensively
characterized,
including
infrared
spectroscopy,
nuclear
magnetic
resonance,
elemental
analysis,
mass
spectrometry,
thermogravimetric
analysis-differential
scanning
calorimetry.
have
additionally
been
validated
by
single-crystal
X-ray
diffraction
analysis.
The
physicochemical
properties
of
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 12, 2024
Abstract
The
quest
for
high‐performance
energetic
materials
defense
and
aerospace
has
intensified,
focusing
on
balancing
energy
output
safety.
This
study
presents
the
synthesis
of
3D
metal‐organic
frameworks
(EMOFs)
[Na
3
(DNT)(H
2
O)]
n
(
Na‐MOF
),
[K
(DNT)
(H
K‐MOF
[Cs
(DNT)]
Cs‐MOF
)
using
1,2,4‐dinitrimino
triazole
through
a
hydrothermal
process.
synthesized
EMOFs
are
characterized
infrared
spectroscopy,
powder
X‐ray
diffraction,
scanning
electron
microscopy
(SEM),
elemental
analysis,
thermogravimetric
analysis
differential
calorimetry,
structures
confirmed
via
single‐crystal
revealing
with
crystal
densities
2.15,
2.16,
2.86
g
cm
−3
,
respectively.
Among
them,
exhibits
excellent
detonation
performance
(VOD
=
8900
m
s
−1
DP
26.21
GPa),
high
thermal
stability
(T
d
369
°C),
insensitivity
to
impact
friction
(IS
40
J,
FS
360
N).
displays
balanced
mechanical
properties,
while
though
moderate
in
performance,
shows
significant
potential
pyrotechnic
applications,
producing
bright
red
flame.
Intermolecular
interactions
analyzed
Hirshfeld
surface,
2D
fingerprint,
SEM
analyses,
enhancing
understanding
particle
size
morphology.
also
demonstrates
iodine
encapsulation
capacity,
positioning
it
as
replacement
traditional
like
RDX
heat‐resistant
explosives
such
HNS,
comparability
PYX.
Journal of Heterocyclic Chemistry,
Год журнала:
2024,
Номер
61(3), С. 506 - 513
Опубликована: Янв. 15, 2024
Abstract
Nitrogen‐rich
energetic
materials
based
on
five‐membered
azoles,
such
as
tetrazoles,
triazoles,
oxadiazoles,
pyrazoles,
and
imidazoles,
have
garnered
significant
attention
in
recent
years
due
to
their
environmental
compatibility
while
maintaining
high
performance.
These
materials,
including
explosives,
propellants,
pyrotechnics,
are
designed
release
energy
rapidly
efficiently
minimizing
the
of
toxic
or
hazardous
byproducts
attracted
potential
applications
defense
space
industries.
The
presence
extensive
NC,
NN,
NN
bonds
azoles
provides
enthalpies
formation
facilitates
intermolecular
interactions
through
π‐stacking
which
may
help
with
reducing
sensitivity
external
stimuli.
Now,
we
report
synthesis
properties
N
‐(5‐(1
H
‐tetrazol‐5‐yl)‐1,3,4‐oxadiazol‐2‐yl)nitramide
(
5
)
its
salts.
new
nitrogen–oxygen‐containing
attractive
feature
insensitivity
increased
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(11), С. 8192 - 8200
Опубликована: Май 23, 2024
The
pursuit
of
heat-resistant
energetic
materials
featuring
high
thermostability
and
energy
has
gained
keen
interest
in
recent
years
owing
to
their
use
coal
mining
aerospace
domains.
In
this
study,
we
synthesized
4-((4,6-diamino-1,3,5-triazin-2-yl)
amino)-1
