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Al Lewis acid-catalyzed regiodivergent 1,2-rearrangement of α-siloxy aldehydes: scope and mechanism

✍ Scribed by Kohsuke Ohmatsu; Takayuki Tanaka; Takashi Ooi; Keiji Maruoka


Book ID
108283061
Publisher
Elsevier Science
Year
2009
Tongue
French
Weight
505 KB
Volume
65
Category
Article
ISSN
0040-4020

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Lewis acid-catalyzed reactions of ethyl
✍ Shuji Kanemasa; Toshio Kanai; Takahiro Araki; Eiji Wada 📂 Article 📅 1999 🏛 Elsevier Science 🌐 French ⚖ 255 KB

Ethyl diazoacetate reacts with a variety of aldehydes in the presence of a Lewis acid catalyst to give either [~-keto esters or a-formyl esters, the types of products mainly depending upon the nature of Lewis acid catalysts employed. Reactions catalyzed by Lewis acids such as SnCI2 and SnCl4 provide