Maytansinoids
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United States of America Patent
Stats
-
Mar 30, 1982
Grant Date -
N/A
app pub date -
May 14, 1980
filing date -
Jun 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Novel Antibiotic C-15003PND, which has the formula: ##STR1## wherein R represents hydrogen, --CO--CH.sub.3, --CO--CH.sub.2 --CH.sub.3, ##STR2## is produced by cultivating a microorganism of the genus Nocardia. The Antibiotic C-15003PND wherein R is acetyl, propionyl, isobutyryl or isovaleryl is useful for an antifungal, antiprotozoal or antitumor agent and Antibiotic C-15003PND wherein R is hydrogen is useful for an intermediate thereof.
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