Browsing by Subject "3,6 anhydro 3 c (2' oxopropyl) derivatives"
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Item The Wittig-cyclization procedure: acid promoted intramolecular formation of 3-C-branched-chain 3,6-anhydro furano sugars via 2′-oxopropylene derivatives(2007) Ay K.; Çetin F.; Yüceer L.Some olefinic Wittig products, 3-deoxy-5,6-O-isopropylidene-3-C-(2′-oxopropylene)-1,2-O-alkylidene hexofuranose derivatives were converted to the branched-chain 3,6-anhydro-3-C-(2′-oxopropyl) derivatives on treatment with ion exchange resin Amberlite 120 (H+) in methanol-water at room temperature. Hydrolysis of 5,6-isopropylidene groups and intramolecular ring-closures took place in one pot reactions. © 2007 Elsevier Ltd. All rights reserved.