Highly pure acarbose
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United States of America Patent
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Feb 27, 1990
Grant Date -
N/A
app pub date -
Dec 11, 1986
filing date -
Dec 13, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A purified acarbose which contains less than 10% by weight of sugar-like secondary components is obtained by column chromatograph of a solution of prepurified acarbose with a pH 4 to 7. The column contains as a packing material a weakly acid cation exchanger which has carboxyl groups and is based on dextran, agarose and cellulose or exchangers which are derived from the latter with the addition of polyamide.
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