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ChemInform Abstract: Synthesis and Catalytic Epoxidation Activity of Terpene-Derived D4- Symmetric Metalloporphyrins.

✍ Scribed by J. F. BARRY; L. CAMPBELL; D. W. SMITH; T. KODADEK

Publisher: John Wiley and Sons
Year: 2010
Weight: 31 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199741075

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✦ Synopsis

Synthesis and Catalytic Epoxidation Activity of Terpene-Derived D4-Symmetric Metalloporphyrins. -The chloromanganese porphyrin (POR), synthesized from (1R)-(+)-nopinone, is a very efficient catalyst for the stereoselective epoxidation of terminal alkenes, especially for aromatic alkenes. Aliphatic alkenes are generally poorer substrates for this method, with exception of 1,1-disubstituted aliphatic alkenes. The catalyst has the largest turnover number (thousands) ever reported for an asymmetric epoxidation catalyst. -(BARRY,

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