from the fermentation broth of Aspergillus candidus RF-5672 (FERM BP-5882), which was isolated from a soil sample collected on Shodo Island, Kagawa Prefecture, Japan. In this communication, we report the fermentation, isolation, structure elucidation and biological properties of these terprenins. The activities of the terprenins found were evaluated with respect to proliferation of mouse spleen...

In the course of screening for new antitumor substances, BE-18591 (la) was isolated from cultures of Streptomyces sp. BA18591X). The isolation and physico-chemical properties together with biological activities are reported in the preceding paper. In this paper, the structure elucidation is described. The physico-chemical properties of la were summarized in a previous paper1*. The molecular for...