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Regio- and stereospecific addition of phosphines to cyanoacetylenes |
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| Authors: | Nina K Gusarova Svetlana I ShaikhudinovaSvetlana N Arbuzova Tamara I Vakul'skayaBoris G Sukhov Lidiya M SinegovskayaMikhail V Nikitin Anastasiya G Mal'kinaNataliya A Chernysheva Boris A Trofimov |
| Affiliation: | A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences 1, Favorsky Street, Irkutsk 664033, Russian Federation |
| Abstract: | Primary and secondary phosphines add regio- and stereospecifically to phenylcyanoacetylene and 4-hydroxy-4-methylpent-2-ynenitrile under mild conditions to form corresponding functionalized secondary and tertiary phosphines of Z-configuration in 70-91% yield. According to ESR and UV data, the addition of primary phosphines to phenylcyanoacetylene involves a single electron transfer process. |
| Keywords: | cyanoacetylenes primary phosphines secondary phosphines nucleophilic addition single electron transfer |
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