Gregatin B

ID 2: 158

Toxin: n

Trivial name: (+)​-​Gregatin B; Antibiotic 704III; Gregatin B

Systematic name:

3-​Furancarboxylic acid, 5-​(1E,​3E)​-​1,​3-​hexadien-​1-​yl-​4,​5-​dihydro-​2,​5-​dimethyl-​4-​oxo-​, methyl ester, (5R)​-

Molecular formulae: 


Molecular weight: 250.29

Chemical abstract number: 58801-71-1

Literature reference:

  • Metabolic products of microorganisms. 197. Investigations on metabolites of microorganisms. 23. Tetronic acid derivatives from Aspergillus panamensis. Production, isolation, characterization and biological activity. Anke, H.; Schwab, H.; Achenbach, H. Journal of Antibiotics (1980), 33(9), 931-9.

References URL: 

Aspergillus Species known to produce this metabolite:



Structure image:  


Date uploaded: 2008-07-07 16:30:55

Mycotoxin & Metabolites

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Aspergillus species produce a large number of secondary metabolites, sometimes referred to as extrolites. We attempt to list them all here and we also collect published papers.

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