Conclusions
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1.
In contrast to phenylacetylene, which reacts with Et3GeLi to give predominantly the cis- and trans-β-adducts, metalation predominates when the reaction is run with phenylthioacetylene, which leads to PhSC≡CLi.
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2.
When catalyzed by Speier catalyst, the addition of Et3GeH to phenyl- and phenylthioacetylene is neither region or stereospecific. The gem and cis-adducts, 2-triethylgermyl-3-phenoxy-1-propene and 1-triethylgermyl-3-phenoxy-1-propene, are formed in the case of phenyl propargyl ether.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 660–663, March, 1977.
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Filippova, A.K., Lyashenko, G.S., Kruglaya, O.A. et al. Germylation reactions of acetylenic compounds. Russ Chem Bull 26, 596–599 (1977). https://doi.org/10.1007/BF01179475
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DOI: https://doi.org/10.1007/BF01179475