アシルポリシランの化学
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概要
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We have found that the thermolysis of acylpolysilanes [pivaloyl-, adamantoyl-, benzoyl- and mesitoyltris (trimethylsilyl) silane] offers a convenient route to the synthesis of various types of silenes. The silenes thus formed reacted with many substrates, such as olefins, dienes, carbonyl compounds, and alkynes to give the respective adducts. The reactions of the silenes produced from acylpolysilanes with mono-silyl substituted acetylenes and <I>tert</I>-butylacetylene gave [2+2] cycloadducts, silacyclobutene derivatives, with high regiospecificity in high yields. The thermolysis of the resulting silacyclobutenes at high temperature afforded the isomers arising from a 1, 2-trimethylsiloxy shift from the sp<SUP>3</SUP>-carbon to silicon in the silacyclobutene ring.
- 社団法人 有機合成化学協会の論文
- 2003-12-01