Organoboron compounds. 397. Synthesis of silylated allylacetylenes by allylboronation of ethoxytrimethylsilylacetylene |
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| Authors: | S V Ponomarev Yu N Bubnov B M Mikhailov |
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| Institution: | (1) N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow;(2) M. V. Lomonosov Moscow State University, USSR |
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| Abstract: | Conclusions Allylboranes undergo addition to 1-ethoxy-2-(trimethylsilyl)acetylene with the formation of 2-ethoxy-1-(trimethylsilyl)-1,4-pentadien-1-yl]boranes, which are converted to the corresponding 1-(trimethylsilyl)-4-penten-1-ynes (silylated allylacetylenes) under mild conditions with the elimination of R2'BOEt.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1859–1861, August, 1981. |
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