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Chiroptical studies of sugars. Part IV. Proposal of the glycosidic heteroatom [helicity rule in 1-thio-D-glycopyranosides

โœ Scribed by Emiri Ohtaki; Hiroshi Meguro

Book ID
104246386
Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
273 KB
Volume
20
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

D_glycopyranosides gave CD bands at 220 nm (n+6* of glycosidic sulfur). Their [8] were shown as the sum of the ti effects frcxn ring oxygen and -OH at C-2, leading to the glycosidie heteroatan helicity rule to predict the configurations and conformations at C-l and C-2.

๐Ÿ“œ SIMILAR VOLUMES

Chiroptical studies on 1-thio-D-glycopyr
Chiroptical studies on 1-thio-D-glycopyranosides and a proposal of ring oxygen helicity rule
โœ Emiri Ohtaki; Hiroshi Meguro; Katura Tuzimura ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 228 KB

Previously') we reported ORD and CD of some I-thio-\_pglycofuranosides as model compounds of D\_glycofuranosides. There it was revealed that the second band of the ring oxygen (140-170 nm) should be the most important in determining anomeric configurations and that the rotational strengths of the ba