Formation of a PIII−C(sp2) bond by addition of diphenyl(trimethylsilyl)phosphine to activated acetylenes |
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| Authors: | A N Kochetkov I V Efimova I G Trostyanskaya M A Kazankova I P Beletskaya |
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| Institution: | (1) Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory, 119899 Moscow, Russian Federation |
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| Abstract: | Diphenyl(trimethylsilyl)phosphine reacts with alkoxy(alkyl)acetylenes to give mixtures of addition products, (2-alkoxy-2-trimethylsilylalkenyl)diphenylphosphines
and (2-alkoxyalkenyl)diphenylphosphines. The reaction is sensitive to the solvent; in MeCN, it gives only nonsilylated products.
(1-Alkoxyethenyl)diphenylphosphines were obtained as the main products upon the reaction of Ph2PSiMe3 with terminal alkoxyalkynes, irrespective of the reaction conditions.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1792–1796, September, 1998. |
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| Keywords: | diphenyl(trimethylsilyl)phosphine alkoxy(alkyl)acetylenes alkoxyacetylenes addition (1-alkoxyalkenyl)- and (2-alkoxyalkenyl)diphenylphosphines |
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