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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 31, 2001 - Issue 14
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Original Articles

ON THE STEREOSELECTIVITY IN BISDIHYDROXYLATION OF 1,5-CYCLOOCTADIENE WITH OSMIUM TETROXIDE

, , &
Pages 2107-2112 | Received 11 Jul 2000, Published online: 09 Nov 2006
 

Abstract

In the bisdihydroxylation of 1,5-cyclooctadiene with OsO4, use of a stoichiometric amount of OsO4 yielded a 1:1 mixture of syn- and anti-isomers, while use of a catalytic amount of OsO4 gave only syn- (1R *,2S *,5R *,6S *)-cyclooctane-1,2,5,6- tetrol. This syn-selectivity was attributed to the favorable formation of an intramolecular osmium(VI) bisglycolate ester in the catalytic reaction.

Acknowledgments

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