Fungicidal agents LL-15G256.gamma.,.delta., and .epsilon. produc

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing heterocyclic carbon compound having only o – n – s,...

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435 711, 435171, 4352541, 514 11, 514 21, 530317, 530331, 530332, C12P 1710, C12P 2104, A61K 3806, C07K 500

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057473048

ABSTRACT:
This invention provides new antifungal compounds of Formula I or II: ##STR1## wherein R, R.sup.1 and R.sup.2 are defined in the specification produced by culture LL-15G256 (Hypoxylon oceanicum), NRRL 21363 and their production by fermentation and use as antifungal agents.

REFERENCES:
"Formulation and Regeneration of Protoplasts Dervied from a Temperature-Sensitive Osmotic Strain of Neurospora crass", Selitrennikoff et al, Expt. Mycology, 5, pp. 155-161 (1981).
"Use of a Temperature-Sensitive, Protoplast-Forming Neurospora crassa Strain for the Detection of anitfungal Antibiotics", Selitrennikoff, Antimicrobial Agents and Chemotherapy, 23, pp. 757-765 (1983).
"A Modified Screen for the Detection of Cell Wall-Acting Antifungal Compounds", Kirsch et al, The Journal of Antibiotics, 39, pp. 1620-1622 (1986).
"Hypoxylon Oceanicum SP. Nov. from Mangroves", Schatz, Mycotaxon, XXXIII, pp. 413-418 (1988).
"Mechanism-Based Screening for the Discovery of Novel Antifungals", D. Kirsch et al, pp. 177-221 in The Discovery of Natural Products with Therapeutic Potential, V. Gullo, Ed., Butterworth-Heinemann, Boston, MA (1993).

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