✦ LIBER ✦

Direct formation of cyclic sulfates utilising hypervalent iodine species and sulfur trioxide adducts

✍ Scribed by Richard I. Robinson; Simon Woodward

Book ID: 104252992
Publisher: Elsevier Science
Year: 2003
Tongue: French
Weight: 83 KB
Volume: 44
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(03)00039-x

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✦ Synopsis

PhIO reacts with SO 3 •DMF at 0°C to form an active sulfating reagent; subsequent addition of alkenes results in the direct formation of cyclic sulfates in moderate to good yield (35-75%). Terminal, 1,1-disubstituted and cyclopentenes participate in the reaction which is technically very straightforward to carry out.

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