Mesoporous Graphitic Carbon Nitride Photocatalyzed 6‑Substituted Phenanthridines Synthesis from 2‑Isocyanobiaryls
Jie Gao,
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Tiankai Zhang,
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Quan Zhu
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et al.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(9)
Published: March 1, 2025
Abstract
Mesoporous
graphitic
carbon
nitride
(mpg‐CN)
has
been
successfully
employed
as
a
highly
efficient
photocatalyst
for
the
annulation
of
2‐isocyanobiaryls
with
ethers
to
synthesize
6‐substituted
phenanthridines.
This
method
facilitates
preparation
diverse
range
phenanthridines,
demonstrating
broad
substrate
scope
under
mild
and
environmentally
benign
reaction
conditions.
The
versatility
this
approach
allows
incorporation
various
functional
groups,
making
it
valuable
tool
synthesis
complex
phenanthridine
derivatives.
Notably,
transition
metal‐free
heterogeneous
photocatalytic
system
offers
significant
advantages
over
traditional
methods,
which
often
rely
on
expensive
precious
metal
catalysts.
achieves
reduced
costs
enhanced
sustainability
by
eliminating
need
such
metals.
Additionally,
recyclability
mpg‐CN
catalyst
is
key
feature,
can
be
reused
five
consecutive
cycles
without
loss
catalytic
activity.
durability
not
only
improves
economic
feasibility
process
but
also
aligns
principles
green
chemistry
minimizing
waste.
combination
conditions,
cost‐effectiveness,
positions
practical
scalable
alternative
6‐substitued
Language: Английский
Visible-light-induced radical cascade cyclization of 2-isocyanobiaryls via 1,5-hydrogen atom transfer (1,5-HAT)
Yafei Zhu,
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Penghua Zhang,
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Xingqin Tian
No information about this author
et al.
Organic Chemistry Frontiers,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
We
reported
the
first
example
of
visible-light-induced
radical
cascade
cyclization
2-isocyanobiaryls
via
1,5-HAT,
which
is
characterized
by
broad
substrate
scope,
excellent
functional
group
compatibility
and
no
requirement
any
metals
base.
Language: Английский
Visible-light-induced decarboxylative cyclization
Organic & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
The
present
review
focuses
on
recent
progress
(2020–2024)
in
the
visible-light-driven
decarboxylative
cyclization
of
various
carboxylic
acid
derivatives
for
constructing
carbo-/heterocycles.
Language: Английский