87595-95-7Relevant academic research and scientific papers
Methyl 2,5:3,6-Dianhydro-D-mannofuranosides
Koell, Peter,Metzger, Juergen O.,Meyer, Bernd
, p. 1345 - 1353 (2007/10/02)
Monotosylation of methyl 3,6-anhydro-β-D-glucofuranoside gives as minor reaction product 1 which yields by treatment with sodium ethanolate methyl 2,5:3,6-dianhydro-β-D-mannofuranoside (2).The α-anomer 6 is equally prepared from 3 which is obtained by selective monotosylation of methyl 3,6-anhydro-β-L-gulofuranoside.Reaction of methyl 3,6-anhydro-2,5-di-O-tosyl-α-D-glucofuranoside (5) gives only small amounts of 6 accompanied by the monotosylate 4.Mass and NMR spectra (2D-1H and 13C) of the new dianhydrides 2 and 6 are described.
