Unusual Formation of Acetylenic Sugar from the Cyanohydrins of 1,2 : 3, 4-Di-O-Isopropylidene-α-D-galacto-hexodialdo-1,5-pyranose
Title:
Unusual Formation of Acetylenic Sugar from the Cyanohydrins of 1,2 : 3, 4-Di-O-Isopropylidene-α-D-galacto-hexodialdo-1,5-pyranose
Author:
Czernecki, S. Valery, J-M.
Appeared in:
Journal of carbohydrate chemistry
Paging:
Volume 5 (1986) nr. 2 pages 235-240
Year:
1986-06-01
Contents:
Reaction of methanesulfonate esters 73a and 3b with sodium azide in N, N-dimethylforaamide gave 6, 7-dideoxy-1,2:3,4-di-O-isopropylidene-α-D-galacto-6-heptyno-1,5-pyranose 5. The latter was identified by IR, NMR and mass spectrometry. A pathway for the unusual formation of an alkyne is proposed.
Journal description