Chemistry: natural resins or derivatives; peptides or proteins; – Peptides of 3 to 100 amino acid residues – Containing at least one abnormal peptide link – e.g. – gamma...
Patent
1996-10-15
1997-09-02
Tsang, Cecilia J.
Chemistry: natural resins or derivatives; peptides or proteins;
Peptides of 3 to 100 amino acid residues
Containing at least one abnormal peptide link, e.g., gamma...
4352535, 549263, 549328, A61K 3800, C07K 500, C12N 100, A01N 4302
Patent
active
056632983
ABSTRACT:
The present invention relates to UCK14 compounds having antitumor activity which are represented by the formula: ##STR1## wherein R.sup.1 is hydrogen or --COOC(CH.sub.3).sub.3 ; and R.sup.2 and R.sup.3 are taken together to form --CH.sub.2 --, or each R.sup.2 and R.sup.3 independently are hydrogen,
and pharmaceutically acceptable salts thereof.
REFERENCES:
patent: 5476952 (1995-12-01), Su et al.
patent: 5496808 (1996-03-01), Bargiotti et al.
Akinaga Shiro
Asai Akira
Hasegawa Atsuhiro
Katahira Ritsuko
Mizukami Tamio
Borin Michael
Kyowa Hakko Kogyo Co. Ltd.
Tsang Cecilia J.
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