Organic & Biomolecular Chemistry,
Journal Year:
2021,
Volume and Issue:
19(8), P. 1705 - 1721
Published: Jan. 1, 2021
A
review
highlighting
the
advances
in
Cp*Rh(iii)
catalysed
cascade
arene
C–H
activation/annulation
including
application,
scope,
limitations
and
mechanism
of
these
transformations.
Organic Letters,
Journal Year:
2019,
Volume and Issue:
21(22), P. 9217 - 9222
Published: Nov. 5, 2019
Rhodium(III)-catalyzed
annulative
coupling
of
sulfoxonium
ylides
with
allenoates
was
achieved,
forming
highly
functionalized
cyclopropanes
a
quaternary
carbon
center
by
means
the
ylide
functionality
as
traceless
bifunctional
directing
group
and
C4
synthon
via
an
arene
C–H
activation
cyclopropanation
cascade.
The
protocol
features
simultaneous
formation
three
new
C–C
bonds
in
one
pot
excellent
diastereoselectivity.
resultant
products
could
be
further
transformed
to
diverse
synthetically
useful
compounds.
Organic Letters,
Journal Year:
2020,
Volume and Issue:
22(12), P. 4806 - 4811
Published: June 1, 2020
Site-selective
direct
functionalization
of
an
indole
benzenoid
core
has
been
a
great
challenge
due
to
its
inherently
poor
reactivity.
We
herein
demonstrate
iridium-catalyzed
C4-selective
acylmethylation
indoles
using
α-carbonyl
sulfoxonium
ylides
as
carbene
precursors.
This
method
exhibits
high
efficiency
and
broad
functional
group
compatibility.
The
directing
was
easily
removed
or
converted
other
functionalities
after
the
catalysis.
potential
synthetic
utility
coupling
products
highlighted
by
constructing
medium-sized
polycyclic
indoles.
Organic Letters,
Journal Year:
2019,
Volume and Issue:
21(16), P. 6366 - 6369
Published: July 30, 2019
A
rhodium(III)-catalyzed
C–H
acylmethylation
of
tridentate
[2,2′-bipyridine]-6-carboxamides
was
developed.
variety
could
be
monoalkylated
exclusively
at
the
C3
position
with
sulfoxonium
ylides
as
carbene
precursors,
giving
3-alkylated
products
in
high
yields.
This
protocol
proceeds
through
a
rollover
cyclometalation
pathway,
has
broad
range
scope
substrates,
and
exhibits
excellent
functional
group
tolerance.
Organic & Biomolecular Chemistry,
Journal Year:
2021,
Volume and Issue:
19(8), P. 1705 - 1721
Published: Jan. 1, 2021
A
review
highlighting
the
advances
in
Cp*Rh(iii)
catalysed
cascade
arene
C–H
activation/annulation
including
application,
scope,
limitations
and
mechanism
of
these
transformations.