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Phosphirenium-borate zwitterion: formation in the 1,1-carboboration reaction of phosphinylalkynes |
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| Authors: | Ekkert Olga Kehr Gerald Fröhlich Roland Erker Gerhard |
| Affiliation: | Organisch-Chemisches Institut, Universit?t Münster, Corrensstrasse 40, D-48149 Münster, Germany. |
| Abstract: | Reaction of the acetylene Mes(2)P-C≡C-Ar with B(C(6)F(5))(3) at rt gives a zwitterionic phosphirenium product, which reacts further at >100 °C to complete the 1,1-carboboration reaction. |
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