Tetrahedron Letters

A new and efficient route for the synthesis of alkynyl functionalized silicon derivatives

I Kownacki, B Orwat, B Marciniec, A Kownacka

Index: Kownacki, Ireneusz; Orwat, Bartosz; Marciniec, Bogdan; Kownacka, Agnieszka Tetrahedron Letters, 2014 , vol. 55, # 2 p. 548 - 550

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Citation Number: 3

Abstract

The iridium-based catalytic system, [{Ir(μ-Cl)(CO) 2 } 2 ]/NEt(i-Pr) 2 , was examined in the coupling reaction of iodotrisubstituted silanes (R 3 SiI) with various terminal arylalkynes (R 1 C CH). Under optimum conditions, the process occurs very efficiently (in particular for Me 3 SiI and Me 2 PhSiI), giving exclusively the respective C sp -silyl functionalized alkynes (R 1 C CSiR 3 ). Additionally, this iridium-based catalytic system was successfully used for the preparation ...