Organic Letters,
Год журнала:
2022,
Номер
24(19), С. 3555 - 3559
Опубликована: Май 6, 2022
Various
energetic
salts
(3a-f)
were
obtained
from
1,3,5-tris[(2H-tetrazol-5-yl)methyl]isocyanurate
(3),
while
N2,N4,N6-tri(1H-tetrazol-5-yl)-1,3,5-triazine-2,4,6-triamine
(5)
and
N,N'-{6-[(1H-tetrazol-5-yl)amino]-1,3,5-triazine-2,4-diyl}bis[N-(1H-tetrazol-5-yl)nitramide]
(6)
cyanuric
chloride
via
a
simple,
efficient
two-step
synthetic
route
inexpensive
starting
materials.
Compounds
3a-f
6
show
excellent
detonation
properties
(VOD
=
7876-8832
m
s-1,
DP
20.73-30.0
GPa),
high
nitrogen
content
(>62%),
positive
heats
of
formation
(205.2-1888.9
kJ
mol-1)
with
thermostability
remarkable
insensitivity.
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.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(16), С. 9546 - 9551
Опубликована: Янв. 1, 2024
This
study
highlights
for
the
first
time
impact
of
positional
isomerism
on
chemical
reactivity
which
involves
a
domino
reaction,
salt
formation,
cyclization,
and
nucleophilic
substitution.
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.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Compared
with
traditional
polycyclic-based
heterocyclic
energetic
compounds,
the
synthesis
of
fused
ring
compounds
is
more
challenging
since
only
a
few
substrates
meet
structural
requirements
for
cyclization
reaction.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(27), С. 35232 - 35244
Опубликована: Июнь 25, 2024
The
construction
and
modification
of
novel
energetic
frameworks
to
achieve
an
ideal
balance
between
high
energy
density
good
stability
are
a
continuous
pursuit
for
researchers.
In
this
work,
fused
[5,6,5]-tricyclic
framework
was
utilized
as
the
host
encapsulate
oxidant
molecules
first
time.
A
series
new
pyridazine-based
[5,6]
[5,6,5]
polycyclic
nitrogen-rich
skeletons
their
derivatives
were
designed
synthesized.
Two
strategies,
amino
oxidation
host-guest
inclusion,
used
modify
skeleton
in
only
one
step.
All
compounds
exhibit
comprehensive
properties
(
Advanced Synthesis & Catalysis,
Год журнала:
2020,
Номер
362(22), С. 4876 - 4895
Опубликована: Авг. 4, 2020
Abstract
Nitrogen
heterocycles
are
important
structural
subunits
that
occur
widely
in
bioactive
natural
products,
pharmaceuticals,
agrochemicals,
dyes,
cosmetics,
and
functional
materials.
Considering
the
importance
of
these
useful
compounds
modern
science,
synthesis
N‐heterocycles
their
derivatives
has
always
been
a
hot
topic
organic
synthesis.
Recently,
arenediazonium
salts
which
can
be
easily
prepared
from
inexpensive
abundantly
available
anilines,
have
used
as
versatile
nitrogen
sources
field
heterocycle
synthetic
chemistry
due
to
ready
availability,
rich
reactivity,
diverse
transformations.
The
aim
present
review
is
summarize
recent
advances
using
past
ten
years.
Hopefully,
it
provide
practical
guidance
for
readers
who
interested
utilizing
building
blocks
For
simplicity
clarity,
organization
this
based
on
number
N
atoms
ring
heterocycle.
magnified
image
Energetic Materials Frontiers,
Год журнала:
2021,
Номер
2(1), С. 3 - 13
Опубликована: Янв. 14, 2021
In
recent
years,
the
development
of
novel
advanced
high-energy
density
materials
has
significantly
shifted
toward
nitrogen-containing
heterocyclic
derivatives,
which
demonstrate
a
great
potential
for
multipurpose
application
patterns.
Among
known
heterocycles
hydroxytetrazole
is
special
importance
due
to
its
high
nitrogen-oxygen
content
and
possibility
serve
as
anion
counterpart
form
diverse
array
organic
inorganic
energetic
salts.
this
review,
we
summarized
main
achievements
on
synthesis
performance
hydroxytetrazole-based
materials.
Potential
applications
presented
compounds
their
environmental
compatibility
are
especially
emphasized.
ACS Catalysis,
Год журнала:
2021,
Номер
11(13), С. 7772 - 7779
Опубликована: Июнь 13, 2021
Despite
the
significant
success
of
metal-H-catalyzed
hydroamination
methodologies,
considerable
limitations
still
exist
in
selective
alkynes,
especially
for
terminal
alkynes.
Herein,
we
develop
a
highly
efficient
NiH
catalytic
system
that
activates
readily
available
alkynes
cascade
hydroamination/cyclization
reaction
with
anthranils.
This
mild,
operationally
simple
protocol
is
amenable
to
wide
array
including
and
internal,
aryl
alkyl,
electron-deficient
electron-rich
ones,
delivering
structurally
diverse
quinolines
useful
excellent
yields
(>80
examples,
up
93%
yield).
The
utility
this
procedure
exhibited
late-stage
functionalization
several
natural
products
concise
synthesis
an
antitumor
molecule
graveolinine
triplex
DNA
intercalator.
Preliminary
mechanistic
experiments
suggest
alkenylnickel-mediated
alkyne
intramolecular
cyclization/aromatization
putative
enamine
intermediates.
