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Synthesis of β-mercuri ketones by the reaction of siloxycyclopropanes with mercuric acetate and their conversion to α-methylene ketones and γ-ketoesters

✍ Scribed by Ilhyong Ryu; Koichi Matsumoto; Masato Ando; Shinji Murai; Noboru Sonoda

Publisher
Elsevier Science
Year
1980
Tongue
French
Weight
240 KB
Volume
21
Category
Article
ISSN
0040-4039

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✦ Synopsis

Siloxycyclopropanes were quantitatively converted to B-acetoxymercuri ketones by the reaction with mercuric acetate. Successive treatment with palladium chloride or palladium chloride/carbon monoxide gave a-methylene ketones or y-ketoesters, respectively, in good yields.

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✍ Jiro Tsuji; Ichiro Minami; Isao Shimizu 📂 Article 📅 1983 🏛 Elsevier Science 🌐 French ⚖ 115 KB

Enol acetates derived from saturated ketones are converted to a,&unsaturated ketones by heating with ally1 methyl carbonate in MeCN by bimetallic catalysis of palladiumphosphine complex and tin methoxide. Conversion of saturated ketones to corresponding a,&unsaturated ketones is an important synthet