Mannobiose derivatives
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United States of America Patent
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Jan 8, 1991
Grant Date -
N/A
app pub date -
Mar 31, 1988
filing date -
Apr 3, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Novel mannobiose derivative represented by the general formula [I]: ##STR1## wherein groups of R.sub.1 to R.sub.5 each represents --OH, --OR.sub.6, --NHR.sub.6, (R.sub.6 represents an acyl group) or a group represented by the following formula (a), (b), (c), (d) or (e), provided that one of R.sub.1 to R.sub.5 represents --OR.sub.6 or --NHR.sub.6, one of the other 4 groups of R.sub.1 to R.sub.5 represents one of the groups represented by the formulae (a) to (e), and the remaining 3 groups of R.sub.1 to R.sub.5 represent --OH: ##STR2## wherein represents .alpha. or .beta. bond are provided by the invention. These compounds give liposomes a specific affinity for Kupffer cells of liver, and can be produced industrially.
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