Claims
- 1. A substantially pure cyclic tetrasaccharide having the structure: ##STR3## wherein R is a D-glucopyranosyl residue or --OH; or derivatives thereof.
- 2. The cyclic tetrasaccharide of claim 1 wherein said R is --OH.
- 3. The cyclic tetrasaccharide of claim 1 wherein said R is a D-glucopyranosyl residue.
- 4. The cyclic tetrasaccharide of claim 1 wherein said derivatives are selected from the group consisting of O-alkyl ethers, O-acyl esters, partially or fully sulfated esters, and ionic carboxymethyl and diethylaminoethyl derivatives.
- 5. The cyclic tetrasaccharide of claim 1 which is substantially pure.
Parent Case Info
This application is a division of application Ser. No. 08/490,003, filed Jun. 12, 1995, now U.S. Pat. No. 5,786,196. The contents of which are incorporated by reference herein.
Divisions (1)
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Number |
Date |
Country |
Parent |
490003 |
Jun 1995 |
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