Crosslinked cyclodextrins supported on porous refractory inorgan

Details Crosslinked cyclodextrins supported on porous refractory inorgan Crosslinked cyclodextrins supported on porous refractory inorgan

1988-09-29

1990-02-20

Kight, John

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

Organic compounds

Carbohydrates or derivatives

536103, 536106, 536110, 527300, 527311, 428402, 428532, C07H 100, C08B 3304, C08B 3700, C13K 3700

Patent

active

049027883

ABSTRACT:
Composites on a porous support of an insolubilized, crosslinked cyclodextrin show improved mass transfer characteristics relative to discrete particles of the same insolubilized cyclodextrin. Dicarboxylic acid dihalides are particularly effective crosslinking agents. The composites can be prepared quite simply and cost effectively by impregnating a support, such as alumina, with a cyclodextrin, then reacting the cyclodextrin within the impregnated support with a suitable dicarboxylic acid dihalide, such as one from the alkane dicarboxylic acid series containing from 4 through 12 carbon atoms.

REFERENCES:
patent: 3472835 (1969-10-01), Buckler et al.
J. Szejtli, Starch, 34, 379-385 (1982).
R. D. Yang and A. E. Humphrey, Biotech, Bioeng., 17, 1211-1235 (1957).

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