Journal
TETRAHEDRON LETTERS
Volume 46, Issue 26, Pages 4491-4493Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2005.04.113
Keywords
PEGylated ionic polymer; osmium tetroxide; asymmetric dihydroxylation
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Osmium tetroxide was immobilized onto a short-length PEGylated ionic polymer, which exhibited excellent catalytic performance in OsO4-catalyzed asymmetric dihydroxylation. The resulting polymer was recycled five times without any loss of yield or enantioselectivity. In addition to the immobilization of osmium, the polymer also exhibited an ability to immobilize a significant amount of chiral ligand. (c) 2005 Elsevier Ltd. All rights reserved.
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