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Halometallic reagents

PMHS corresponding polymeric reagent (PMHS, polymethylhydrosiloxane), a substantial rate increase was observed over the monomeric model (complete reduction of acetophenone in less than 1 min with PMHS vs. only 60% conversion in 1 h with (EtO)2SiHMe) [55]. The related hydrosilylation of 86 by chiral PTC uses an interesting ephedra-derived halometallated catalyst 25 (Scheme 10.12) [56]. [Pg.745]

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Halometallation

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