Beta-glycosides of hydroxyproline via an umpolung approach.

Org Lett

Institute of Fundamental Sciences, Massey University, Private Bag 11-222, Palmerston North, New Zealand.

Published: August 2006

Reaction of 1,2-O-dibutylstannylene-3,4-6-tri-O-benzyl-beta-D-mannopyranose with Nalpha-fluorenylmethoxycarbonyl-cis-4-trifluoromethanesulfonyloxyproline allyl ester led to formation of a beta-mannoside of trans-4-hydroxyproline. Subsequent manipulation of the C2 hydroxy group gave rise to beta-D-Glc and beta-D-GlcNAc derivatives.

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http://dx.doi.org/10.1021/ol061424mDOI Listing

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Beta-glycosides of hydroxyproline via an umpolung approach.

Org Lett

August 2006

Institute of Fundamental Sciences, Massey University, Private Bag 11-222, Palmerston North, New Zealand.

Reaction of 1,2-O-dibutylstannylene-3,4-6-tri-O-benzyl-beta-D-mannopyranose with Nalpha-fluorenylmethoxycarbonyl-cis-4-trifluoromethanesulfonyloxyproline allyl ester led to formation of a beta-mannoside of trans-4-hydroxyproline. Subsequent manipulation of the C2 hydroxy group gave rise to beta-D-Glc and beta-D-GlcNAc derivatives.

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