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68168-23-0 - beta-Cyclodextrin hydrate - Schardinger beta-dextrin - Cycloheptaamylose - A14529 - Alfa Aesar

A14529 beta-Cyclodextrin hydrate

CAS Number
68168-23-0
Synonyms
Schardinger beta-dextrin
Cycloheptaamylose

Size Price ($) Quantity Availability
5g 14.32
25g 45.66
100g 128.75
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beta-Cyclodextrin hydrate

MDL
MFCD00150811
EINECS
231-493-2

Chemical Properties

Formula
C42H70O35•xH2O
Formula Weight
1134.98(anhy)
Melting point
288° dec.
Solubility
Slightly soluble in water (18.5 g/L at 25°C).

Applications

beta-Cyclodextrin hydrate forms clathrates. Produces a water-soluble complex with dansyl chloride for the fluorescent labeling of proteins. It is used in pharmaceutical research, as pharmaceutical intermediates and also as chemical reagents.

Notes

Stable under recommended storage conditions. Incompatible with oxidizing agents.

Literature References

Thomas Steiner; Gertraud Koellner. Crystalline .beta.-Cyclodextrin hydrate at various humidities: Fast, continuous and reversible dehydration studied by X-ray diffraction. J. Am. Chem. Soc. 1994, 116, (12),5122-5128

 

Christian Betzel; Wolfram Saenger; Brian E.Hingerty; George M.Brown. Topography of cyclodextrin inclusion complexes, part 20. Circular and flip-flop hydrogen bonding in .beta.-cyclodextrin undecahydrate: a neutron diffraction study. J. Am. Chem. Soc. 1984, 106, (24),7545-7557

Has been used to influence regioselectivity in Diels-Alder reactions: J. Chem. Soc., Chem. Commun., 971 (1995); for reaction scheme, see 2,6-Dimethyl-p-benzoquinone, A11342. Encapsulation of aniline and N-substituted anilines allows regioselective bromination: Tetrahedron, 52, 3487 (1996). Catalyzes the Boc protection of amines with Di-tert-butyl­ dicarbonate, A14708 under neutral, aqueous conditions: Synlett, 1110 (2006).

For a brief of uses as a supramolecular catayst in organic synthesis, see: Synlett, 175 (2007).

Other References

Merck
14,2718
Beilstein
5915513
Harmonized Tariff Code
2940.00
TSCA
Yes
RTECS
GU2293000

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