Regio- and stereochemical controlled koenigs-knorr-type monoglycosylation of secondary hydroxy groups in carbohydrates utilizing the high site recognition ability of organotin catalysts
The catalytic regio- and stereoselective monoglycosylation of carbohydrates using organotin catalysts is demonstrated. The one-step reaction affords various oligosaccharides linked at the secondary hydroxy group in high chemical yield and good regio- and stereoselectivities. The regioselectivity of the glycosylation is shown to depend on the spatial arrangement of the hydroxy groups in the carbohydrates. Copyright
Muramatsu, Wataru,Yoshimatsu, Hirofumi
p. 2518 - 2524
(2013/10/21)
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