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US 5,491,229 AGranted
Rapamycin derivative
AssigneeSmithKline Beecham Corporation
InventorPeter R. Shelley
Life of this patent
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Abstract
A compound of formula (I). ##STR1##
Claims3
A compound of formula (I):
- ##STR4##
A compound characterised as follows:
- i) said compound has an apparent molecular weight of 899 by Fast Atom Bombardment (FAB) Mass spectroscopy;
- ii) said compound is obtainable by the cultivation of a microorganism from the genus Streptomyces;
- iii) said compound has 51 carbons in the molecule when subjected to .sup.13 C NMR spectroscopy;
- iv) said compound has a characteristic UV spectrum with peaks at 268, 277 and 289 nm.
1 more element
Dependencies are inferred from the claim text.