Add time:07/29/2019         Source:sciencedirect.com

Acid hydrolysis of Triostin C proved that the constituents were quinoxaline-2-carboxylic acid (2 moles), d-serine (2 moles), l-alanine (2 moles), N,N′-dimethyl-l-cystine (1 mole), and N,γ-dimethyl-l-alloisoleucine (2 moles). The sequence was proved to be in the order given above and lactone linkage(s) was shown to be present between N,γ-dimethyl-l-alloisoleucine and the hydroxyl group of d-serine. Further evidence indicated the structure I, which differed from Echinomycin in sulphur containing part and N-methylamino acid part.

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