Synthesis of symmetrical 1,3-diynes via homocoupling reaction of n-butyl alkynyltellurides

Singh, Fateh V.; Amaral, Monica F. Z. J.; Stefani, Helio A.

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Synthesis of symmetrical 1,3-diynes via homocoupling reaction of n-butyl alkynyltellurides

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Author(s):	Singh, Fateh V. ^[1] ; Amaral, Monica F. Z. J. ^[1] ; Stefani, Helio A. ^{[2, 1]} Total Authors: 3
Affiliation:	^[1] Univ Sao Paulo, Fac Ciencias Farmaceut, BR-05508900 Sao Paulo - Brazil ^[2] Univ Fed Sao Paulo, Dept Biofis, Sao Paulo - Brazil Total Affiliations: 2
Document type:	Journal article
Source:	Tetrahedron Letters; v. 50, n. 22, p. 2636-2639, JUN 3 2009.
Web of Science Citations:	29
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. (C) 2009 Elsevier Ltd. All rights reserved. (AU)

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