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Synthesis of Polymer-Bound Azabis(oxazoline) Ligands and Their Application in Asymmetric Cyclopropanations.

✍ Scribed by Heiko Werner; Clara I. Herrerias; Michael Glos; Anja Gissibl; Jose M. Fraile; Ignacio Perez; Jose A. Mayoral; Oliver Reiser

Publisher
John Wiley and Sons
Year
2006
Weight
20 KB
Volume
37
Category
Article
ISSN
0931-7597

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Synthesis of Polymer Bound Azabis(oxazol
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## Abstract Aza(bisoxazoline) ligands were attached to various polymeric supports and the resulting immobilized ligands were evaluated in copper(I)‐catalyzed asymmetric cyclopropanations. The efficiency of these transformations depends greatly on the polymeric support, on the protocol being applied

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## Abstract A series of novel ligands incorporating oxazoline and thiazoline units were synthesized in high yield by employing a convergent route, in which the key step is a microwave‐assisted palladium‐catalyzed aryl amination. The new ligands were tested in the zinc‐catalyzed Friedel–Crafts alkyl