Applications of phenyliodine(III) diacetate in heterocyclic ringformations: An updatefrom 2015 to date
Journal of Heterocyclic Chemistry,
Год журнала:
2023,
Номер
60(8), С. 1326 - 1355
Опубликована: Янв. 27, 2023
Abstract
Diacetoxyiodobenzene
(
PhI
OAc
)
2
),
commonly
referred
to
as
DAIB
or
phenyliodine(
III
diacetate
PIDA
is
one
of
the
most
frequently
used
hypervalent
iodines
employed
an
oxidizing
agent
in
organic
chemistry.
In
this
review,
highlighted
exclusively
relation
its
applications
synthesis
involving
heterocyclic
ring
formations
and
critically
in‐depth
examined
from
summer
2015
present
with
a
specific
focus
on
mechanistic
pathway.
Язык: Английский
Recent progress in metal assisted multicomponent reactions in organic synthesis
Kokila Sakthivel,
R. Gana,
Toshitaka Shoji
и другие.
Frontiers in Chemistry,
Год журнала:
2023,
Номер
11
Опубликована: Сен. 8, 2023
To
prepare
complicated
organic
molecules,
straightforward,
sustainable,
and
clean
methodologies
are
urgently
required.
Thus,
researchers
attempting
to
develop
imaginative
approaches.
Metal-catalyzed
multicomponent
reactions
(MCRs)
offer
optimal
molecular
diversity,
high
atomic
efficiency,
energy
savings
in
a
single
reaction
step.
These
versatile
protocols
often
used
synthesize
numerous
natural
compounds,
heterocyclic
medications.
Thus
far,
the
majority
of
metal-catalyzed
MCRs
under
investigation
based
on
metal
catalysts
such
as
copper
palladium;
however,
current
research
is
focused
developing
novel,
environmentally
friendly
catalytic
systems.
In
this
regard,
study
demonstrates
effectiveness
MCRs.
The
aim
provide
an
overview
for
safe
application
Язык: Английский
Halogenative Annulation Reactions of Alkyne-Tethered N- and O-Containing Arenes: Methods for Accessing Aryl-Fused Halogenated N- and O-Heterocycles
Synthesis,
Год журнала:
2023,
Номер
55(19), С. 3073 - 3089
Опубликована: Июнь 21, 2023
Abstract
Halogenative
annulation
of
alkyne-tethered
N-
and
O-containing
arenes
represents
a
general
strategy
for
the
construction
various
halogenated
O-heterocycles.
The
methods
employed
are
useful
in
producing
valuable
synthetic
building
blocks
carrying
C(sp2)–halide
functional
groups,
which
handles,
especially
cross-coupling
reactions
myriad
other
transformations.
When
alkyne
is
tethered
to
heteroatom
via
an
aromatic
ring,
reaction
gives
rise
aryl-fused
heterocycles.
In
this
Short
Review,
past
present
halogenative
construct
O-heterocycles
examined,
with
focus
on
more
recent
technologies
roles
participating
halogenating
agents.
Additionally,
future
directions
age-old,
but
still
very
useful,
considered.
1
Introduction
2
Synthesis
Aryl-Fused
Halogenated
N-Heterocycles
2.1
5-Membered
2.2
6-Membered
2.3
7-Membered
3
O-Heterocycles
3.1
3.2
3.3
4
Conclusion
Язык: Английский
Halogen cation-promoted and solvent-regulated electrophilic cyclization for the regioselective synthesis of 3-haloquinolines and 3-halospirocyclohexadienones
Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(11), С. 2440 - 2446
Опубликована: Янв. 1, 2023
A
novel
approach
for
the
production
of
halogen
cations
through
reaction
halogens
with
silver
ions
is
described
in
this
paper.
On
basis,
regioselective
synthesis
3-haloquinolines
and
3-halospirocyclohexadienones
realized
solvent
regulation.
The
gram-scale
compatibility
complex
substrates
demonstrate
synthetic
potential
protocol,
which
will
be
an
appealing
strategy
organic
synthesis.
Язык: Английский