N. Takada et al., Isolation and structures of haterumalides NA, NB, NC, ND, and NE, novel macrolides from an Okinawan sponge Ircinia sp., TETRAHEDR L, 40(34), 1999, pp. 6309-6312
Novel macrolides, haterumalides NA (1), NB (2), NC (3), ND (4), and NE (5),
were isolated from an Okinawan sponge Ircinia sp. The absolute stereostruc
ture of 1 was determined by spectroscopic analysis and modified Mosher's me
thod. Haterumalide NA (1) showed cytotoxicity against P388 cells and acute
toxicity against mice. (C) 1999 Elsevier Science Ltd. All rights reserved.