| 摘要 |
NEW MATERIAL:A compound shown by formula I (R<1> is H or group shown by formula II; R<2> is H or acetyl; R<3> is H, acetyl or group shown by formula III; n is 0-8). USE:Useful for searching existing site of a receptor to recognize human chorionic gonadotropic hormone (HCG) related saccharides or as a ligand for affinity chromatography related to HCG. PREPARATION:A compound shown by formula IV (R<4> is lower alkyl; R<5> is H or group shown by formula III) is reacted with a compound shown by formula H2N(CH2)nNH2.
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