Russian Chemical Reviews,
Год журнала:
2023,
Номер
92(12), С. RCR5104 - RCR5104
Опубликована: Дек. 1, 2023
After
the
appearance
of
green
chemistry
concept,
which
was
introduced
in
vocabulary
early
1990s,
its
main
statements
have
been
continuously
developed
and
modified.
Currently,
there
are
10–12
cornerstones
that
should
form
basis
for
an
ideal
chemical
process.
This
review
analyzes
accumulated
experience
achievements
towards
design
products
processes
reduce
or
eliminate
use
generation
hazardous
substances.
The
presents
views
leading
Russian
scientists
specializing
various
fields
this
subject,
including
homogeneous
heterogeneous
catalysis,
fine
basic
organic
synthesis,
electrochemistry,
polymer
chemistry,
based
on
bio-renewable
feedstocks
energetic
compounds
materials.
A
new
approach
to
quantitative
evaluation
environmental
friendliness
by
authors
is
described.
<br>
bibliography
includes
1761.
Chemical Science,
Год журнала:
2022,
Номер
13(9), С. 2551 - 2573
Опубликована: Янв. 1, 2022
Pd-catalysed
C–H
functionalisation
of
free
carboxylic
acids
has
drawn
significant
attention
over
the
last
few
years
due
to
predominance
acid
moieties
in
pharmaceuticals
and
agrochemicals.
Journal of the American Chemical Society,
Год журнала:
2022,
Номер
144(6), С. 2793 - 2803
Опубликована: Фев. 2, 2022
The
ability
to
differentiate
and
selectively
activate
remote
C-H
bonds
represents
a
perennial
challenge
in
the
field
of
activation.
Since
its
first
report
2012,
now-established
"directing
template"
(DT)
approach
remains
demonstrably
effective
for
functionalization
bonds.
As
selectivity
is
hypothesized
be
principally
determined
by
optimal
positioning
reactive
catalyst
target
bond,
DT's
spatial
factors
are
particularly
important
toward
achieving
high
selectivity,
though
systematic
study
on
requisite
remain
unelucidated.
Through
an
in-depth
analysis
119
structurally
unique
published
DTs,
this
summarizes
key
that
central
at
defined
aryl
positions,
which
experimentally
corroborated
through
development
new
aliphatic
meta
para-selective
DTs
electronically
unbiased
arenes.
These
empirical
rules,
summarize
distance
geometric
factors,
expected
useful
tools
future
site-selective
arene
activation
as
well
other
reactions
rely
covalent/noncovalent
DT-mediated
regioselection.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(32)
Опубликована: Июнь 8, 2022
Abstract
C‐aryl
glycosides
are
popular
basic
skeletons
in
biochemistry
and
pharmaceutical
chemistry.
Herein,
ruthenium‐catalyzed
highly
stereo‐
site‐selective
ortho
‐
meta
‐C
Ar
−H
glycosylation
is
described.
A
series
of
pyranosides
furanosides
were
synthesized
by
this
method.
The
strategy
showed
good
substrate
scope,
various
N
‐heterocyclic
directing
groups
compatible
with
the
reaction
system.
mechanistic
study
suggested
that
key
pathway
might
involve
oxidative
addition/reduction
elimination,
whereas
aryl
‐C−H
was
mediated
σ
‐activation.
Density
functional
theory
calculations
also
high
stereoselectivity
due
to
steric
hindrance.
Russian Chemical Reviews,
Год журнала:
2023,
Номер
92(12), С. RCR5104 - RCR5104
Опубликована: Дек. 1, 2023
After
the
appearance
of
green
chemistry
concept,
which
was
introduced
in
vocabulary
early
1990s,
its
main
statements
have
been
continuously
developed
and
modified.
Currently,
there
are
10–12
cornerstones
that
should
form
basis
for
an
ideal
chemical
process.
This
review
analyzes
accumulated
experience
achievements
towards
design
products
processes
reduce
or
eliminate
use
generation
hazardous
substances.
The
presents
views
leading
Russian
scientists
specializing
various
fields
this
subject,
including
homogeneous
heterogeneous
catalysis,
fine
basic
organic
synthesis,
electrochemistry,
polymer
chemistry,
based
on
bio-renewable
feedstocks
energetic
compounds
materials.
A
new
approach
to
quantitative
evaluation
environmental
friendliness
by
authors
is
described.
<br>
bibliography
includes
1761.
