Regioselective germylcupration of acetylenes |
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| Authors: | Hiroji Oda Yoshitomi Morizawa Koichiro Oshima Hitosi Nozaki |
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| Affiliation: | Department of Industrial Chemistry, Faculty of Engineering, Kyoto University, Yoshida, Kyoto 606, Japan |
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| Abstract: | The reaction of terminal acetylenes with (Ph3Ge)2Cu(CN)Li2 (1) or (Et3Ge)2Cu(SMe2)Li (2) provides vinylgermanes in good yields. Whereas germylcupration of 1-dodecyne gives 2-germyl-1-dodecene as a main product, germylmetalation of phenylacetylene or 3-methyl-3-buten-1-yne affords 1-germyl compounds preferentially. |
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