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Microencapsulation of Osmium Tetroxide in Polyurea

Steven V. Ley*, Chandrashekar Ramarao, Ai-Lan Lee, Niels Østergaard, Stephen C. Smith and Ian M. Shirley

*University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW, UK, Email:

S. V. Ley, C. Ramarao, A.-L. Lee, N. Ostergaard, S. C. Smith, I. M. Shirley, Org. Lett., 2003, 5, 185-187.

DOI: 10.1021/ol020225+

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Osmium tetroxide has been microencapsulated in a polyurea matrix. These microcapsules have been effectively used as recyclable catalysts in the dihydroxylation and the oxidative cleavage of olefins.

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Key Words

Upjohn Dihydroxylation, Oxidative Cleavage of Alkenes, Osmium tetroxide, NMO, Sodium periodate

ID: J54-Y2003-280