Regio-and stereoselective hydrosilylation of immobilized terminal alkynes

PJ Pedersen, J Henriksen, CH Gotfredsen…

Index: Pedersen, Palle J.; Henriksen, Jonas; Gotfredsen, Charlotte H.; Clausen, Mads H. Tetrahedron Letters, 2008 , vol. 49, # 43 p. 6220 - 6223

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Citation Number: 6

Abstract

Regio-and stereoselective hydrosilylation of terminal alkynes on solid support using diisopropyl hydrosilanes yielding β-(E)-vinyl silanes with excellent selectivity is reported. The hydrosilylation is catalyzed by Pt (DVDS)/P (iBuNCH2CH2) 3N (DVDS= 1, 3-divinyl-1, 1, 3, 3-tetramethyl-disiloxane), in which the bulky proazaphosphatrane ligand plays a key role for the selectivity. The immobilized products are characterized with gel phase13C NMR ...

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