Total structures of cryptophycins, potent antitumor depsipeptides from the blue-green alga Nostoc sp. strain GSV 224

G Trimurtulu, I Ohtani, GML Patterson…

Index: Trimurtulu, Golakoti; Ohtani, Ikuko; Patterson, Gregory M. L.; Moore, Richard E.; Corbett, Thomas H.; Valeriote, Frederick A.; Demchik, Lisa Journal of the American Chemical Society, 1994 , vol. 116, # 11 p. 4729 - 4737

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Citation Number: 283

Abstract

Abstract: Cryptophycin (A, l), the major cytotoxin in the blue-green alga (cyanobacterium) Nostoc sp. GSV 224, shows excellent activity against solid tumors implanted in mice. This cyclic depsipeptide had previously been isolated from Nostoc sp. ATCC 53789 as an antifungal agent and its gross structure determined by researchers at Merck. The relative and absolute stereochemistry of this potentially important drug has now been established ...

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