67217-55-4, Name is Mono-(6-p-toluenesulfonyl)-¦Â-cyclodextrin, molecular formula is C49H76O37S, belongs to dioxoles compound, is a common compound. In a patnet, author is Clarke, Zane, once mentioned the new application about 67217-55-4, Computed Properties of C49H76O37S.
The crystal structures of 3-O-benzyl-1,2-O-isopropylidene-5-O-methanesulfonyl-6-O-triphenylmethyl- alpha-D-glucofuranose and its azide displacement product
The effect of different leaving groups on the substitution versus elimination outcomes with C-5 D-glucose derivatives was investigated. The stereochemical configurations of 3-O-benzyl-1,2-O-isopropylidene-5-O-methanesulfonyl-6-O-triphenylmethyl-alpha-D-glucofuranose, C36H38O8S (3) [systematic name: 1-[(3aR,5R,6S, 6aR)-6-benzyloxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)-2-(trityloxy)ethyl methanesulfonate], a stable intermediate, and 5-azido-3-O-benzyl-5-deoxy-1,2-O-isopropylidene-6-O-triphenylmethyl-beta-L-idofuranose, C35H35N3O5 (4) [systematic name: (3aR,5S,6S,6aR)-5-[1-azido-2-(trityloxy)ethyl]-6-benzyloxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole], a substitution product, were examined and the inversion of configuration for the azido group on C-5 in 4 was confirmed. The absolute structures of the molecules in the crystals of both compounds were confirmed by resonant scattering. In the crystal of 3, neighbouring molecules are linked by C-H center dot center dot center dot O hydrogen bonds, forming chains along the b-axis direction. The chains are linked by C-H center dot center dot center dot pi interactions, forming layers parallel to the ab plane. In the crystal of 4, molecules are also linked by C-H center dot center dot center dot O hydrogen bonds, forming this time helices along the a-axis direction. The helices are linked by a number of C-H center dot center dot center dot pi interactions, forming a supramolecular framework.
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Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem