chapter 2 palladium catalysts in suzuki cross- coupling reaction
chapter 2 palladium catalysts in suzuki cross- coupling reaction
chapter 2 palladium catalysts in suzuki cross- coupling reaction
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PEG-PS<br />
*<br />
HN<br />
NH<br />
*<br />
*<br />
O<br />
O<br />
21<br />
10<br />
P CH 2PPh 2(PdCl 2) 0.11<br />
24<br />
PPh 2<br />
Pd<br />
Cl<br />
P<br />
Fe<br />
*PdCl 2<br />
23<br />
PPh 2<br />
H 2C<br />
H 2C<br />
OR<br />
OR<br />
P<br />
Ph 2P<br />
N<br />
O<br />
N<br />
Pd<br />
O<br />
22<br />
R: C 6H 13<br />
Figure 3.5. Polymer-supported <strong>palladium</strong> complexes<br />
Fe<br />
OR<br />
OR<br />
*<br />
O<br />
Fe<br />
O<br />
NH<br />
10<br />
*<br />
PPh 2<br />
Miyaura and Inada reported the use of PPh3-functionalized polymer res<strong>in</strong>s as<br />
supports for PdCl2, 24 (Figure 3.5), <strong>in</strong> the Suzuki coupl<strong>in</strong>g of aryl chlorides and<br />
arylboronic acids (Inada and Miyaura 2000). The authors reported that the solid material<br />
25<br />
n<br />
28