| 摘要 |
N-acyl derivatives of D-hexosamine made by linking an oligopeptide having a m-di(2-chloroethyl)amino-L-phenylalanyl residue to the amino groups of two hexosamine molecules by a peptide bond, are endowed with strong antitumor action against transplanted neoplasms in animals. Compounds according to the present invention are: <IMAGE> and its salts with organic or inorganic acids physiologically tolerated. The antineoplastic activity of the compounds of the present invention is not affected in the gastrointestinal tract and hence they can be effectively administered orally.
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