Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai
Patent
1993-11-23
1997-07-01
Achutamurthy, Ponnathapura
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Peptide containing doai
514 9, 514 2, 530317, A61K 3815, C07K 1102
Patent
active
056438710
ABSTRACT:
The present invention relates to novel antitumor depsipeptides produced by Micromonospora strain 39500, ATCC 55011, and having the structural formula ##STR1## wherein R.sub.1 is 2-methylpropanoyl, and R.sub.2 is 2-methylppropanoyl, propanoyl or acetyl; or R.sub.1 is 3-methylbutanoyl, and R.sub.2 is 2-methylpropanoyl or 3-methylbutanoyl; or R.sub.1 is propanoyl, and R.sub.2 is acetyl or propanoyl.
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Berry Ronald L.
Dabrah Thomas T.
Gustavson Donald R.
Hesler Grace A.
Lam Kin Sing
Achutamurthy Ponnathapura
Bristol-Meyers Squibb Company
Nolan Sandra M.
Wessendorf T. D.
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