Structures of Cribochalines A and B, Branched-Chain Methoxylaminoalkyl Pyridines from the Micronesian Sponge, Cribochalina sp. Absolute Configuration and Enantiomeric Purity of Related O-Methyl Oximes

Tetrahedron
2000.0

Abstract

Two new 3-alkyl pyridines, cribochalines A (2) and B (3), were isolated from the North Pacific sponge Cribochalina sp. The known related oxime, ikimine A, was shown to be a 2.8:1 mixture of the (S)- and (R)-enantiomers. Cribochaline A exhibited antifungal activity against Candida albicans ATCC and Fluconazole-resistant strains C. albicans 96-489, C. krusei and C. glabrata. (C) 2000 Elsevier Science Ltd. All rights reserved.

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