New chondropsin macrolide lactams from marine sponges in the genus Ircinia

Mohammad A. Rashid, Kirk R. Gustafson and Michael R. Boyd, Tet.Lett. 42: 1623-1626, 2001.

Abstract:

Two new polyketide-derived macrolide lactams, identified as 73-deoxychondropsin A (2) and chondropsin C (3), have been isolated from two different collections of marine sponges which belong to the genus Ircinia. An Australian collection of Ircinia ramosa provided 73-deoxychondropsin A (2), while samples of Ircinia sp. collected in the Philippines yielded chondropsin C (3). The structures of 2 and 3 were assigned by interpretation of their spectral data.

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