Carbosilane dendrimers capped with 4, 8, and 12 perfluoroarylborane Lewis acids are prepared via a self-catalyzed silation of the aryl ether 1 with the appropriate Si−H terminated dendrimer scaffold. The dendrimers were fully characterized by spectroscopic methods and MALDI-TOF mass spectrometry and tested as catalysts for the hydrosilation of acetophenone using triethylsilane, exhibiting only slightly inferior activities in comparison to B(C 6 F 5 ) 3 .
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Roesler et al. (2002) studied this question.
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