Cryptoechinuline B

Trivial name: 

1,​4-​Diazaspiro[5.5]​undecane, benzaldehyde deriv.; Alkaloid E 6, from Aspergillus amstelodami; Cryptoechinuline B

Systematic name: 

Benzaldehyde, 2-​[2-​[3-​[[2-​(1,​1-​dimethyl-​2-​propenyl)​-​6-​(3-​methyl-​2-​butenyl)​-​1H-​indol-​3-​yl]​methylene]​-​10-​methyl-​2,​5-​dioxo-​1,​4-​diazaspiro[5.5]​undec-​8-​en-​7-​yl]​ethenyl]​-​3,​6-​dihydroxy-​5-​(3-​methyl-​2-​butenyl)​- (9CI)

Molecular formulae: 

C43 H49 N3 O5

Molecular weight: 

687.87

Chem abstract number: 

58098-51-4

Literature reference: 

New minor metabolites as Aspergillus amstelodami. Cardillo, Rosanna; Fuganti, Claudio; Ghiringhelli, Dario; Grasselli, Piero. Chimica e l'Industria (Milan, Italy) (1975), 57(10), 678-9. Structure determination of two extractives from Aspergillus amstelodami by nuclear magnetic resonance spectroscopy. Gatti, Giuseppe; Cardillo, Rosanna; Fuganti, Claudio; Ghiringhelli, Dario. Journal of the Chemical Society, Chemical Communications (1976), (12), 435-6.

Structure image: 

Aspergillus Species known to produce this metabolite: