Nucleic acids U 0700Synthesis and Structure of New Methylene-Bridged Hexopyranosyl Nucleoside (BHNA). -The radical rearrangement of compound (I) provides a novel hexopyranosyl nucleoside (II) along with known products (III) and (IV). -(ZHOU, C.; PLASHKEVYCH, O.; LIU, Y.; BADGUJAR, N.; CHATTOPADHYAYA*, J.; Heterocycles 78 (2009) 7, 1715-1728; Dep. Bioorg. Chem., Univ. Uppsala, S-751 23 Uppsala, Swed.; Eng.) -R. Staver 46-200