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Sol–gel entrapped chiral rhodium and ruthenium complexes as recyclable catalysts for the hydrogenation of itaconic acid

✍ Scribed by Faina Gelman; David Avnir; Herbert Schumann; Jochanan Blum

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 85 KB
Volume: 146
Category: Article
ISSN: 1381-1169
DOI: 10.1016/s1381-1169(99)00103-x

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✦ Synopsis

Chiral Ru-BINAP, Rh-DIOP and Rh-BPPM complexes have been physically entrapped in sol-gel matrices. The resulting materials are recyclable leach-proof catalysts for enantioselective hydrogenation of itaconic acid. Chiral methylsuccinic acid of o.p. up to 78% is obtained. The complexes, including the water insoluble Ru-BINAP derivatives, react both in organic and in aqueous media.

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