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The first tridentate ligand for catalytic enantioselective aza-Claisen rearrangement of allylic imidates

โœ Scribed by Yutong Jiang; James M. Longmire; Xumu Zhang

Book ID
104260805
Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
120 KB
Volume
40
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Chiral tridentate ligand ph-ambox (1) can form a cationic Pd(II) catalyst for the [3,3]sigmatropic rearrangement of allylic imidates to allylic amides with ees up to 83% for one substrate.

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A new cobaltocenyl oxazoline palladacycle compound was prepared for the enantioselective aza-Claisen rearrangement of allylic imidates. Studies on the effect of face-blocking and the mechanism of the reaction were carried out.