Synthesis of symmetrical 1,3-diynes via homocoupling reaction of n-butyl alkynyltellurides |
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| Authors: | Fateh V. Singh,Hé lio A. Stefani |
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| Affiliation: | a Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes 580, São Paulo 05508-900, Brazil
b Departamento de Biofisica, Universidade Federal de São Paulo, SP, Brazil |
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| Abstract: | An ultrasound-assisted synthesis of symmetrical 1,3-diyne compounds with electron-withdrawing or -donating substituents is described and illustrated by the palladium-catalyzed homocoupling reaction of n-butyl alkynyltellurides. This procedure offers easy access to 1,3-diynes in very short reaction times, and the products are achieved in good to excellent yields. |
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| Keywords: | Homocoupling reaction Symmetrical 1,3-diynes Alkynyltellurides |
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