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- W2094149340 abstract "1-(2′3′-O-Isopropyliden-5′-O-mesyl-β-D-ribofuranosyl)lumazin (2) geht beim Kochen in Wasser unter intramolekularer Alkylierung am N-8-Atom in die 5′-Desoxy-5′-(lumazin-8-yl)-D-ribofuranose (5) über. Deren Konstitution wird durch die Synthese verschiedener Derivate 9–13 sowie NMR-, CD- und UV-spektroskopische Untersuchungen gesichert. Die N-8-substituierten Lumazin-Derivate sind photolabil und werden unter Verlust der Seitenkette abgebaut. Nucleosides, XVII1a) Formation and Structural Elucidation of 5′-Deoxy-5′-(lumazin-8-yl)-D-ribofuranose — An Intramolecular Alkylation Reaction of 1-(2′,3′-O-Isopropylidene-5′-O-mesyl-β-D-ribofuranosyl)lumazine 1-(2′,3′-O-Isopropylidene-5′-O-mesyl-β-D-ribofuranosyl)lumazine (2) is converted by boiling water in an intramolecular alkylation reaction into 5′-deoxy-5′-(lumazin-8-yl)-D-ribofuranose (5). The constitution 5 has been proven by the synthesis of various derivatives 9–13 as well as n. m. r., c. d., and u. v. spectroscopic investigations. The N-8 substituted lumazine derivatives are photolabile and are decomposed by loss of the side-chain." @default.
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- W2094149340 date "1976-09-01" @default.
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- W2094149340 title "Nucleoside, XVII. Bildung und Strukturermittlung der 5′‐Desoxy‐5′‐(lumazin‐8‐yl)‐ <scp>D</scp> ‐ribofuranose — eine intramolekulare Alkylierung des 1‐(2′,3′‐ <i>O</i> ‐Isopropyliden‐5′‐ <i>O</i> ‐mesyl‐β‐ <scp>D</scp> ‐ribofuranosyl)lumazins" @default.
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- W2094149340 doi "https://doi.org/10.1002/cber.19761090924" @default.
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