APHE-1 and APHE-2, two new antimicrobial and cytotoxic antibiotics. II. Physico-chemical properties and structure elucidation.
- 1 January 1992
- journal article
- Published by Japan Antibiotics Research Association in The Journal of Antibiotics
- Vol. 45 (11) , 1759-1762
- https://doi.org/10.7164/antibiotics.45.1759
Abstract
Two new pyrazolo-isoquinolinone antibiotics, APHE-1 and APHE-2, have been isolated from the culture filtrate and mycelia of Streptoverticillium griseocarneum NCIMB 40447. Molecular formulae were established as C13H12N2O for APHE-1 and C14H14N2O for APHE-2, by elemental analysis, NMR and mass spectra. 2D NMR techniques (1H-1H COSY-45 and 1H-13C correlated spectroscopy) have been applied to establish their structures.Keywords
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