C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
260/227
C07H 5/04 (2006.01)
Patent
CA 1111417
"SYNTHESIS OF 2-AMINO-2-DEOXYGLYCOSES AND 2-AMINO-2-DEOXYGLYCOSIDES FROM GLYCALS" ABSTRACT OF THE DISCLOSURE 0-acylated-2-azido-2-deoxy glycosyl nitrates are used to prepare 0-acylated-2-azido-2-deoxy glycosyl halides. The halides are useful in the preparation of 0-acetylated-2-azido-2-deoxy glycosides, which in turn can be reduced to 2-amino-2-deoxy glycosides. Of particular interest are the syntheses of 2-amino-2-deoxy glycosides which correspond to the terminal units of the antigenic determinant for the human A blood group. Attachment of these glycosides to a solid support provides immunoabsorbents which effectively and preferentially absorb anti-A-antibodies from blood plasma.
367510
Lemieux Raymond U.
Ratcliffe Robert M.
Chembiomed Ltd.
Johnson Ernest Peter
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