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Synthesis and Conformational Analysis of(6R)-[6-2H1]-1,2:3,4-Di-O-isopropylidene-.alpha.-D-galactopyranose. NMR and Molecular Modeling Studies

✍ Scribed by Midland, M. Mark; Asirwatham, Gitanjali; Cheng, John C.; Miller, Jennifer A.; Morell, Luis A.

Book ID
126431218
Publisher
American Chemical Society
Year
1994
Tongue
English
Weight
534 KB
Volume
59
Category
Article
ISSN
0022-3263

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πŸ“œ SIMILAR VOLUMES

Preparation and crystal and molecular st
Preparation and crystal and molecular structure of 6-O-[(2S)-2,3-epoxypropyl]-1, 2:3,4-di-O-isopropylidene-Ξ±-d-galactopyranose. Pyranoid ring conformation in 1,2:3,4-di-O-isopropylidene galactopyranose and related systems
✍ Peter KΓΆll; Wolfgang Saak; Siegfried Pohl; Bohumil Steiner; Miroslav KoΓ³Ε‘ πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 858 KB

The title compound was isolated by several recrystallisations from a 1:l mixture of diastereomers which was obtained in 75% yield from the reaction of 1,2:3,4-di-O-isopropylidene-c~-D-galactopyranose with epichlorohydrin. The absolute configuration of this isomer (30% yield) was established by X-ray

X-ray and conformational investigation o
X-ray and conformational investigation of 6-deoxy-6-C-(1,5-di-O-acetyl-2,3-O-isopropylidene-Ξ²-d-allo-pentofuranos-5-yl)-1,2:3,4-di-O-isopropylidene- Ξ±-d-galactopyranose and 6-C-(benzyl 5-deoxy-2,3-O-isopropylidene-Ξ²-d-ribofuranosid-5-yl)-1,2:3,4-di-O-isopropylidene- d-glycero-Ξ±-d-galacto-hexopyranose
✍ Janusz W. Krajewski; Wojciech Karpiesiuk; Anna Banaszek πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 523 KB

The structures of the title compounds (2b and 3) have been investigated in the solid state by X-ray methods. The crystals of 2b are monoclinic, space group P2,, and of 3 orthorhombit, space grtup P2,2,2,. The cell dimensions are: for 2b, a = 9.910(2), b = 11;745W, c = 11.810(3) A, /3 = 97.32(l)"; a