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Electrophilic substitution of acetamido- and acetoxybenzo-1,4-dioxanes

✍ Scribed by V. K. Daukshas; G. V. Purvanetskas; L. Z. Balyavichyus; É. B. Udrenaite; V. L. Gineitite

Book ID
112333003
Publisher
Springer US
Year
1977
Tongue
English
Weight
568 KB
Volume
13
Category
Article
ISSN
0009-3122

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Preparation and Electrophilic Substituti
Preparation and Electrophilic Substitution of 1-Trimethylsilylpentadienyllithium
✍ Wolfgang Oppolzer; Sidney C. Burford; Fabrizio Marazza 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 528 KB

## Abstract Pentadienyllithium **(16)** was regioselectively and efficiently transformed to 1‐trimethylsilyl‐2,4‐pentadiene **(17)** by reaction with chlorotrimethylsilane (__Scheme 5__). Deprotonation of **17** and subsequent electrophilic attack furnished the regioisomeric products **12** and/or