Chemistry Reference
In-Depth Information
Acrylic Polymers as Support Materials
Various acrylic polymers and copolymers are also utilized as support materials. For instance, a
copolymer of a fluoroacrylate monomers was prepared by Bergbreiter and coworkers to form a
support material that is selectively soluble in fluorinated solvents [
28
-
32
].
O
O
10
1
+
O
O
1
10
O
n
O
N
O
O
O
O
F
F
N
7
F
F
F
7
F
F
F
F
F
The resulting polymer was then converted to a rhodium hydrogenation catalyst:
PPh
3
PPh
3
3
3
H
N
N
H
N
O
O
O
O
O
O
O
O
H
2
N(CH
2
)
3
PPh
3
[
ClRh(CH
2
=CH
2
)
2
I
2
n
10
1
n
n
10
1
10
1
O
O
O
O
O
O
F
F
F
F
F
F
7
7
7
CF
3
CF
3
CF
3
RhCl
3
Numerous papers were also published on use of polyacrylamide and copolymers as support
materials. Following is an example [
33
-
36
].
17
O
NH
S
OCH
3
H
1
10
N
O
N
Pd
OAc
5
HO
S
OCH
3
Bergbreiter reported using this material in mechanistic studies of the Heck reaction [
33
].
