Umpolung Phosphorylation of Tyrosine via 1,2-Phospha-Brook Rearrangement
T Fukuta,
Toshifumi Tatsumi,
Kohei Fujiyoshi
и другие.
Organic Letters,
Год журнала:
2024,
Номер
26(41), С. 8827 - 8831
Опубликована: Окт. 10, 2024
Phosphorylated
tyrosine
is
a
fundamental
building
block
of
bioactive
peptides
and
proteins.
However,
the
chemoselective
phosphorylation
over
other
nucleophilic
amino
acid
residues
in
unprotected
remains
significant
challenge.
Here
we
report
an
umpolung
strategy
that
converts
C-terminal
into
electrophilic
spirolactone
cyclohexadienone
motif
through
hypervalent
iodine
oxidation,
followed
by
1,2-phospha-Brook
rearrangement
using
phosphite
diesters
as
phosphoryl
donors.
This
reaction
proceeds
chemoselectively
at
phenol
applicable
to
wide
range
peptide
substrates
containing
various
residues,
including
serine
threonine.
Язык: Английский
Recent Developments in the [1,2]-Phospha-Brook Rearrangement Reaction
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(7), С. 3065 - 3065
Опубликована: Март 27, 2025
The
[1,2]-phospha-Brook
rearrangement
serves
as
a
powerful
synthetic
strategy
that
enables
efficient
carbonyl
umpolung
through
phosphoryl
group
migration,
providing
direct
access
to
α-hydroxyphosphoryl
compounds-a
privileged
class
of
synthons
with
broad
applications
in
organophosphorus
chemistry,
medicinal
and
materials
science.
This
review
provides
comprehensive
overview
recent
progress
methodologies,
possible
mechanisms,
asymmetric
transformations,
highlighting
key
breakthroughs
future
directions
this
rapidly
evolving
field.
Язык: Английский
Stereoselective [1,2]-Phospha-Brook Rearrangement of CAMDOL-Derived H-Phosphonate: Synthesis of α-Trifluoromethyl Alcohols
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 1, 2025
A
highly
efficient
and
stereoselective
[1,2]-phospha-Brook
rearrangement
of
fluoromethyl
ketones
has
been
achieved
by
utilizing
a
new
type
P-chiral
H-phosphonate
derived
from
CAMDOL,
designated
as
CAMDOL-PHO.
library
38
secondary
alcohols
featuring
an
α-trifluoromethyl
or
trifluoroaryl
motif
were
afforded
in
up
to
97%
yield
with
99:1
dr.
Compared
other
known
chiral
auxiliaries,
bicyclic
CAMDOL
exhibits
superior
induction
ability
due
its
unique
center-chiral
scaffold.
Язык: Английский