New selectivities from old catalysts. Occlusion of Grubbs' catalysts in PDMS to change their reactions
MB Runge, MT Mwangi, NB Bowden
Index: Brett Runge; Mwangi, Martin T.; Bowden, Ned B. Journal of Organometallic Chemistry, 2006 , vol. 691, # 24-25 p. 5278 - 5288
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Citation Number: 32
Abstract
This article describes new selectivities for Grubbs' first and second generation catalysts when occluded in a hydrophobic matrix of polydimethylsiloxane (PDMS). Occlusion of catalysts in mm-sized slabs of PDMS is accomplished by swelling with methylene chloride then removing the solvent under vacuum. The catalysts are homogenously dissolved in PDMS yet remain catalytically active. Many substrates that react by olefin metathesis with ...
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