Method of preparing hetero-branched cyclodextrins

Details Method of preparing hetero-branched cyclodextrins Method of preparing hetero-branched cyclodextrins

1994-06-21

1995-10-31

Robinson, Douglas W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536103, 435 74, 435 97, 435101, 435103, C08B 3716, C08L 516

Patent

active

054630398

ABSTRACT:
A method of preparing a hetero-branched cyclodextrin comprising a glucosyl or a maltosyl group side chain and a mannosyl group .alpha.-bonded to a hydroxyl group of the glucosyl group or the maltosyl group of the side chain, the method involving reacting a liquid containing a branched cyclodextrin having a glucosyl or maltosyl group as the side chain and an .alpha.-mannosyl compound with an .alpha.-mannosyl transfer enzyme.

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Chemical Abstracts, vol. 115, No. 26, Columbus, Ohio, US, Abstract No. 282425j, "Heterosaccharide-modified cyclodextrin manufacture", Abstract for JP-A-3 192 (National Food Research Institute; Ensuiko Sugar Refining Co., Ltd.) 22 Aug. 1991.
Kitahata et al, "Galactosylation of Side Chains . . . " Biosci, Biotech, Biochem, 56(2):pp. 242-245 (1992).
Kitahata et al, "Synthesis of 6-0-.alpha.-D-Galactosyl . . . " Biosci, Biotech, Biochem, 56(9):pp. 1518-1519 (1992).
Lancelon-Pin et al ".alpha.-D-Mannosyl and .beta.-D-Galactosyl Derivatives of Cyclodextrins", Tet. Letters 33(22):pp. 3125-3128 (1992).

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