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Diels—Alder Reaction and Double Phenylation in Reaction of Thiophenes with Diphenyliodonium Triflate.

✍ Scribed by Bian-Xiang Zhang; Takato Nuka; Yuzo Fujiwara; Teizo Yamaji; Zhaomin Hou; Tsugio Kitamura


Book ID
101972707
Publisher
John Wiley and Sons
Year
2005
Weight
22 KB
Volume
36
Category
Article
ISSN
0931-7597

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The Correlation of Lewis Acidities of Si
✍ Gerhard Hilt; Alexander Nödling 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 315 KB 👁 2 views

## Abstract The Lewis acidity of various silyl triflates was quantified by utilizing [D~5~]pyridine as a ^2^H NMR spectroscopy probe. The chemical shifts of the ^2^H NMR signals for pyridine–silyl adducts are reported. The rate constants of silyl triflate catalyzed Diels–Alder reactions were determ