New benzodioxepin type strobilurins from basidiomycetes. Structural revision and determination of the absolute configuration of strobilurin D and related β-methoxyacrylate antibiotics

Article abstract of DOI:10.1016/S0040-4020(99)00563-3

The new antifungal strobilurins I (1) and K (19) are 3,4-dihydro-2H- benzo[b][1,4]dioxepin derivatives. Their structure and stereochemistry was determined by degradation to aldehyde 3. Both enantiomers of 3 were synthesised and the absolute configurations