Chemical Reviews,
Год журнала:
2021,
Номер
121(20), С. 12784 - 12965
Опубликована: Авг. 27, 2021
This
review
serves
to
document
advances
in
the
synthesis,
versatile
bonding,
and
reactivity
of
molecular
main
group
metal
hydrides
within
Groups
1,
2,
12–16.
Particular
attention
will
be
given
emerging
use
said
rapidly
expanding
field
Main
Group
element-mediated
catalysis.
While
this
is
comprehensive
nature,
focus
research
appearing
open
literature
since
2001.
Chemical Reviews,
Год журнала:
2022,
Номер
122(9), С. 8261 - 8312
Опубликована: Март 7, 2022
The
addition
of
a
B–H
bond
to
an
unsaturated
(polarized
or
unpolarized)
is
powerful
and
atom-economic
tool
for
the
synthesis
organoboranes.
In
recent
years,
s-block
organometallics
have
appeared
as
alternative
catalysts
transition-metal
complexes,
which
traditionally
catalyze
hydroboration
bonds.
Because
rapid
development
in
field
bonds
catalyzed
by
alkali
(Li,
Na,
K)
alkaline
earth
(Mg,
Ca,
Sr,
Ba)
metals,
we
provide
detailed
updated
comprehensive
review
that
covers
synthesis,
reactivity,
application
metal
polarized
well
carbon–carbon
Moreover,
describe
main
reaction
mechanisms,
providing
valuable
insight
into
reactivity
catalysts.
Finally,
compare
these
complexes
with
other
redox-neutral
catalytic
systems
based
on
p-block
metals
including
aluminum
f-block
lanthanides
early
actinides.
this
review,
aim
comprehensive,
authoritative,
critical
assessment
state
art
within
highly
interesting
research
area.
Advanced Synthesis & Catalysis,
Год журнала:
2021,
Номер
363(21), С. 4818 - 4840
Опубликована: Сен. 16, 2021
Abstract
Hydroboration
of
alkynes
is
special
interest
to
researchers
since
it
the
most
straightforward
process
for
synthesis
highly
important
vinylborane
synthetic
intermediate
compounds.
It
significant
in
terms
both
regioselectivity
and
stereoselectivity,
several
positional
isomers
are
formed
during
hydroboration.
Given
importance
this
class
compounds,
an
extensive
study
has
been
carried
out
regarding
catalytic
condition
development
detailed
mechanistic
studies
selectively
obtaining
a
single
isomer.
This
review
comprehensively
summarizes
regioselective
stereoselective
hydroboration
alkynes.
aimed
at
giving
readers
accurate
knowledge
systems
available
certain
We
anticipate
that
inclusive
will
encourage
explore
more
new
types
achieve
remarkable
magnified
image
Chemical Society Reviews,
Год журнала:
2022,
Номер
51(3), С. 869 - 994
Опубликована: Янв. 1, 2022
This
review
highlights
the
hydroelementation
reactions
of
conjugated
and
separated
diynes,
which
depending
on
process
conditions,
catalytic
system,
as
well
type
reagents,
leads
to
formation
various
products:
enynes,
dienes,
allenes,
polymers,
or
cyclic
compounds.
The
presence
two
triple
bonds
in
diyne
structure
makes
these
compounds
important
reagents
but
selective
product
is
often
difficult
owing
problems
associated
with
maintaining
appropriate
reaction
regio-
stereoselectivity.
Herein
we
this
topic
gain
knowledge
reactivity
diynes
systematise
range
information
relating
their
use
reactions.
divided
according
addition
E-H
(E
=
Mg,
B,
Al,
Si,
Ge,
Sn,
N,
P,
O,
S,
Se,
Te)
bond
bond(s)
diyne,
reagent
used,
formed.
Not
only
are
comprehensively
discussed,
synthetic
potential
obtained
products
also
presented.
majority
published
research
included
within
review,
illustrating
limitations
processes,
intent
showcase
power
transformations
synthesis
materials
chemistry.
Dalton Transactions,
Год журнала:
2022,
Номер
51(8), С. 3027 - 3040
Опубликована: Янв. 1, 2022
Development
of
efficient
Al-complexes
and
their
crucial
roles
in
catalytic
selective
hydroboration
several
unsaturated
compounds
such
as
carbonyls,
alkenes,
alkynes,
imines,
nitriles
others
were
well
documented
this
review.
Chemical Communications,
Год журнала:
2021,
Номер
57(45), С. 5483 - 5502
Опубликована: Янв. 1, 2021
Recent
findings
in
the
chemistry
of
light
actinide
metal
ions
with
N-heterocyclic
iminato
moieties
as
supporting
ligands
are
described
current
review
article.
The
emphasis
is
on
catalytic
applicability
complexes
for
oxygen
containing
substrates.
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Июнь 21, 2021
Abstract
Homogeneous
earth-abundant
metal
catalysis
based
on
well-defined
molecular
complexes
has
achieved
great
advance
in
synthetic
methodologies.
However,
sophisticated
ligand,
hazardous
activator
and
multistep
synthesis
starting
from
base
salts
are
generally
required
for
the
generation
of
active
catalysts,
which
may
hinder
their
broad
application
large
scale
organic
synthesis.
Therefore,
development
cluster
catalysts
formed
situ
simple
is
importance
practical
utilization
resource,
yet
it
still
its
infancy.
Herein,
a
mixture
catalytic
amounts
cobalt
(II)
iodide
potassium
tert-butoxide
discovered
to
be
highly
selective
hydroboration
vinylarenes
dihydroboration
nitriles,
affording
good
yield
diversified
products
that
without
isolation
can
readily
undergo
further
one
pot
transformations.
It
should
highlighted
alkoxide-pinacolborane
combination
acts
as
an
efficient
activation
strategy
activate
metastable
heterotopic
situ,
proposed
catalytically
species.
Chemistry - A European Journal,
Год журнала:
2023,
Номер
29(38)
Опубликована: Апрель 20, 2023
A
fluorenyl-tethered
N-heterocyclic
carbene
LH
(LH=[(Flu)H-(CH2
)2
-NHCDipp
])
and
its
monoanionic
version
L-
are
explored
in
complexation
with
zinc
towards
the
hydroboration
of
N-heteroarenes,
carbonyl,
ester,
amide,
nitrile
under
ambient
condition.
The
N-heteroarenes
exhibit
high
1,2-regioselectivity
which
is
justified
by
computational
analyses.
relative
rates
differently
p-substituted
(electron
donating
vs.
withdrawing)
pyridines
also
addressed.
monodentate
offers
a
better
catalytic
activity
than
chelating
for
steric
reasons
despite
both
giving
three-coordinate
complexes.
mechanism
involves
Zn-H
species
at
heart
these
processes
trapped
Ph2
CO.
Computational
studies
suggest
that
barrier
to
form
hydride
complex
comparable
required
following
transfer
pyridine.
Abstract
This
review
discusses
the
immense
progress
made
over
recent
years
in
metal‐free
catalytic
hydroboration.
Reactions
with
several
unsaturated
functional
groups,
such
as
alkynes,
alkenes,
carbonyl
compounds,
carbon
dioxide,
carbodiimides,
imines,
allenes,
pyridines,
carboxylic
acid
derivatives
etc.,
have
been
explored.
Although
there
are
significant
developments
hydroboration
reactions
using
metal‐based
catalysts,
strategies
more
desirable
from
a
sustainability
perspective.
Considerable
effort
has
by
various
research
groups
on
catalysts
of
compounds.
Lewis
acid,
Brønsted
acid‐base
pairs,
and
frustrated
pairs
were
involved
sources
to
catalyze
sustainable
manner.
Detailed
mechanisms
pathways
also
discussed
this
review.
discussion
will
provide
an
overview
extent
work
carried
out
well
indicate
scope
for
future
research.
