𝔖 Bobbio Scriptorium
✦   LIBER   ✦

An. n.m.r. study of the 1,3,4,6- and 1,2,3,6-tetra-acetates of β-d-allopyranose and the X-ray and structure of the former

✍ Scribed by Elizabeth Lee; Patricia Browne; Patrick McArdle; Desmond Cunningham

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
296 KB
Volume
224
Category
Article
ISSN
0008-6215

No coin nor oath required. For personal study only.

✦ Synopsis

Reaction of j?-D-allopyranose with acetic anhydride (7.5 mol)-sodium acetate at room temperature and chromatography of the products gave the known' crystalline /Spyranose penta-acetate (5, 36%), together with the hitherto unknown /Spyranose 1,3,4,6 (1, 21%) and 1,2,3,6-tetra-acetate

(2, 12%).

📜 SIMILAR VOLUMES

Molecular and crystal structure of (2,3,
Molecular and crystal structure of (2,3,4,6-tetra-O-acetyl-β-d-glucopyranosyl)-(1 → 3)-[2,3,4,6-tetra-O-acetyl-β-d-glucopyranosyl-(1 → 6)]-(2,4-di-O-acetyl-β-d-glucopyranosyl)-(1 → 3)-1,2,4,6-tetra-O-acetyl-β-d-glucopyranose
✍ Keiichi Noguchi; Eiichi Kobayashi; Kenji Okuyama; Shinichi Kitamura; Kenichi Tak 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 785 KB

## Crystals of the tetrasaccharide, (2,3,4,6-tetra-0acetyl-fi-D-ghxopyranosyl~-(1 + 3)-[2,3,4,6-tetra-O-acetyI+LD-gIucopyranosyI-(1 --t 6)]-(2,4-di-0-acetyl-g\_D-glucopyranosyl)-1 --) 3)-1,2,4,6-tetrad-acetyl$?-n-ghicopyranose, belong to tge monoclinic system, space group P2,, with a = 12.709(4),

N.m.r. studies of some deoxyhexopyranosi
N.m.r. studies of some deoxyhexopyranosides and the X-ray structures of methyl 3,4,6-tri-O-acetyl-2-deoxy-β-d-arabino-hexopyranoside and methyl 4,6-O-benzylidene-3-deoxy-α-d-arabino-hexopyranoside
✍ Elizabeth Lee; Noeleen Melody; Patrick McArdle; Desmond Cunningham 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 454 KB

Both 'H-and 13C-n.m.r. spectroscopy have been employed in structural studies of the 4,6-O-benzylidene-D-aldohexopyranosides and derivatives, including some deoxy sugars . I4 We now report i3C-n.m.r. data (Table I) for the 4,6-O-benzylidene derivatives of methyl 2-deoxy-( 2) 2-deoxy-3-O-methyl-(3),