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Synthesis and Reactivity of Sulfonamides Containing Boronate Esters.

✍ Scribed by Xiao-Feng He; Haiwen Zhang; Christopher M. Vogels; Andreas Decken; Stephen A. Westcott

Publisher
John Wiley and Sons
Year
2004
Weight
15 KB
Volume
35
Category
Article
ISSN
0931-7597

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## Abstract We have prepared a series of novel 2,3‐dihydro‐4‐pyridones containing boronate esters using the aza Diels–Alder reaction with Danishefsky's diene and imines derived from formylphenylboronic acids. This reaction can be carried out in moderate to high yields using Yb(OTf)~3~ as a Lewis ac