Chinese Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
41(18), P. 2311 - 2316
Published: May 13, 2023
Comprehensive
Summary
A
transition‐metal‐free
one‐pot
direct
synthesis
of
tetrathiophosphates
(R
1
S)
2
P(S)SR
from
white
phosphorus
(P
4
),
through
intermediate
sodium
alkyltetrathiophosphates
P(S)SNa,
is
presented.
In
the
presence
NaSH,
various
disulfides
such
as
diaryl
disulfidbges
and
dialkyl
are
easily
coupled
with
P
to
give
P(S)SNa
in
almost
quantitative
yield,
which
react
alkyl
halides
one
pot
generate
.
Furthermore,
S
‐(2‐cyanoethyl)‐substituted
P(S)SCH
CH
CN
successfully
designed
a
kind
tetrathiophosphorylation
reagent
iodonium
salts
involving
deprotection‐dealkylation
process.
RSC Mechanochemistry,
Journal Year:
2024,
Volume and Issue:
1(1), P. 38 - 42
Published: Jan. 1, 2024
α-Ketothioamides
are
formed
by
a
mechanochemical
solvent-free
Willgeroth–Kindler-type
reaction
starting
from
acetophenone
derivatives,
amines,
and
elemental
sulfur.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(37)
Published: June 26, 2024
Polysulfides
are
significant
compounds
in
life
science,
pharmaceutical
and
materials
science.
Therefore,
polysulfide
construction
is
great
demand.
The
controllable
sequential
installation
of
groups
on
both
ends
a
S-S
motif
faces
an
enormous
challenge
owing
to
the
reversible
nature
covalent
bond.
A
library
was
established
with
two
divergent
mask
for
bilateral
unsymmetrical
disulfurating
reagents
(R
Chinese Journal of Organic Chemistry,
Journal Year:
2022,
Volume and Issue:
42(12), P. 4037 - 4037
Published: Jan. 1, 2022
Sulfonium
salts
are
one
of
the
most
important
class
organosulfur
(IV)
compounds
which
have
a
positive
charge
on
sulfur
center
with
three
C-S
bonds.Because
their
bench-stable,
easy
synthesis,
broad
structural
diversity,
and
rich
reactivity,
sulfonium
playing
significant
role
in
synthetic
chemistry.In
recent
years,
visible-light
promoted
photoredox
catalysis
is
rapidly
developing
into
powerful
tool
for
organic
synthesis.In
this
paper,
advances
different
radical
type
reactions
induced
by
visible
light
summarized.The
formation
C-C
bond
C-X
(X＝B,
N,
O,
S,
Se,
Te,
F,
Cl,
I)
bonds
introduced,
applicable
scope
mechanism
some
also
discussed.Keywords
chemistry;
salt;
light;
free
reaction
有机硫化合物在合成化学、生物医学和功能有机材
料领域扮演着极其重要的角色
[1]
.据统计结果显示,
美
国销量排名前
200
位的药品中,
有
24.8%含有硫元素
[2]
.硫原子与同族的氧原子相比,
其半径更大、电负性更低,
使得硫的外电子层更易于接受或提供电子,
显示出独特
的反应活性,
而硫鎓盐是中心硫原子与三个取代基相连
的带正电的有机硫化合物(通式为[R
3
S]
＋
X
-).与同族氧
鎓盐相比,
硫鎓盐结构更加多样、热力学稳定性更强、
更易于合成、后处理更加简便
[3]
.常见的硫鎓盐的合成方法如
Scheme
1
所示
[4]
:
(a)通
过二卤代烃与硫醇的亲核取代反应,
该方法制备硫鎓盐
操作简便,
结晶度好且稳定性高,
但主要局限于五元环
和六元环状硫鎓盐的制备.(b)采用硫醚和烷基卤化物通
过分子间亲核取代反应制备硫鎓盐,
该方法是目前应用
有机化学
Organic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
10(13), P. 3213 - 3218
Published: Jan. 1, 2023
Iodine(
iii
)-mediated
dehydroaromatization
of
cyclohexanones
with
primary
amines
and
CD
3
SSO
Na
has
been
developed,
providing
direct
access
to
ortho
-SCD
anilines
the
formation
C–N
C–S
bonds.
Chinese Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
41(18), P. 2311 - 2316
Published: May 13, 2023
Comprehensive
Summary
A
transition‐metal‐free
one‐pot
direct
synthesis
of
tetrathiophosphates
(R
1
S)
2
P(S)SR
from
white
phosphorus
(P
4
),
through
intermediate
sodium
alkyltetrathiophosphates
P(S)SNa,
is
presented.
In
the
presence
NaSH,
various
disulfides
such
as
diaryl
disulfidbges
and
dialkyl
are
easily
coupled
with
P
to
give
P(S)SNa
in
almost
quantitative
yield,
which
react
alkyl
halides
one
pot
generate
.
Furthermore,
S
‐(2‐cyanoethyl)‐substituted
P(S)SCH
CH
CN
successfully
designed
a
kind
tetrathiophosphorylation
reagent
iodonium
salts
involving
deprotection‐dealkylation
process.
