SYNTHESIS OF 2,3-ANHYDRO- AND 3,4-ANHYDRO-HEXOPYRANOSIDES HAVING A METHYL BRANCH ON THE OXIRANE RING, AND THEIR REACTIONS WITH SOME LITHIUM METHYLCUPRATE REAGENTS

Article abstract of DOI:10.1016/0008-6215(84)85203-9

Three 2,3-anhydroaldohexopyranosides having a 2-C-methyl or 3-C-methyl branch, as well as three 3,4-anhydroaldohexopyranosides having a 3-C-methyl (7) or 4-C-methyl branch, were newly synthesized.The reactions of these, together with those of a known 3-C-