Heterogeneous Photocatalytic Strategies for C(sp3)−H Activation
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(13)
Published: Jan. 16, 2024
Abstract
Activation
of
ubiquitous
C(sp
3
)−H
bonds
is
extremely
attractive
but
remains
a
great
challenge.
Heterogeneous
photocatalysis
offers
promising
and
sustainable
approach
for
activation
has
been
fast
developing
in
the
past
decade.
This
Minireview
focuses
on
mechanism
strategies
heterogeneous
photocatalytic
activation.
After
introducing
mechanistic
insights,
including
precise
design
active
sites,
regulation
reactive
radical
species,
improving
charge
separation
reactor
innovations
are
discussed.
In
addition,
recent
advances
hydrocarbons,
alcohols,
ethers,
amines
amides
by
summarized.
Lastly,
challenges
opportunities
outlined
to
encourage
more
efforts
development
this
exciting
field.
Language: Английский
Decatungstate‐Photocatalyzed Diastereoselective Dearomative Hydroalkylation of Indoles
Emeric Montinho‐Inacio,
No information about this author
Damien Bouchet,
No information about this author
Wei‐Yang Ma
No information about this author
et al.
European Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
27(22)
Published: April 16, 2024
Abstract
In
this
study,
we
present
an
efficient
and
straightforward
dearomative
hydroalkylation
of
indoles.
By
utilizing
alkanes
or
ethers
as
alkyl
radical
sources
employing
TBADT
a
cost‐effective
photocatalyst
for
direct
hydrogen
atom
transfers
(HAT),
achieved
successful
conversion
these
heterocyclic
derivatives
into
2‐alkylindolines
with
good
to
excellent
yields
high
diastereoselectivity
under
mild
reaction
conditions.
Language: Английский
Photoinduced C−O Bond Formation through C−C Bond Cleavage of Alcohols by Suppressing Alcohol Oxidation
Qiang Wu,
No information about this author
Peng Hu
No information about this author
Advanced Synthesis & Catalysis,
Journal Year:
2024,
Volume and Issue:
366(7), P. 1595 - 1605
Published: Feb. 3, 2024
Abstract
Herein,
we
present
a
photoinduced
deconstructive
alkoxyamination
of
alkyl
alcohols
catalyzed
by
iron
salts.
This
transformation
involves
the
initiation
alkoxy
radicals
through
chlorine
radical‐induced
radical
formation,
followed
β
‐scission
and
trapping
resulting
carbon
with
2,2,6,6‐tetramethylpiperidin‐1‐yl
(TEMPO).
reaction
exhibits
broad
substrate
scope
(40
examples),
including
primary
secondary
that
are
prone
to
oxidation
combination
TEMPO
iron.
Mechanistic
investigations
have
revealed
enhanced
coordination
chloride
ion
center
inhibits
OH
process,
thereby
enabling
tolerance
alcohols.
Language: Английский
Heterogeneous Photocatalytic Strategies for C(sp3)−H Activation
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(13)
Published: Jan. 16, 2024
Abstract
Activation
of
ubiquitous
C(sp
3
)−H
bonds
is
extremely
attractive
but
remains
a
great
challenge.
Heterogeneous
photocatalysis
offers
promising
and
sustainable
approach
for
activation
has
been
fast
developing
in
the
past
decade.
This
Minireview
focuses
on
mechanism
strategies
heterogeneous
photocatalytic
activation.
After
introducing
mechanistic
insights,
including
precise
design
active
sites,
regulation
reactive
radical
species,
improving
charge
separation
reactor
innovations
are
discussed.
In
addition,
recent
advances
hydrocarbons,
alcohols,
ethers,
amines
amides
by
summarized.
Lastly,
challenges
opportunities
outlined
to
encourage
more
efforts
development
this
exciting
field.
Language: Английский