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  • Title: Novel antibiotics, amythiamicins. II. Structure elucidation of amythiamicin D.
    Author: Shimanaka K, Takahashi Y, Iinuma H, Naganawa H, Takeuchi T.
    Journal: J Antibiot (Tokyo); 1994 Oct; 47(10):1145-52. PubMed ID: 7961165.
    Abstract:
    The structure of a unique polythiazole-containing cyclic peptide antibiotic, amythiamicin D, was elucidated by chemical degradations and NMR spectral analyses. Acid hydrolysis of amythiamicin D gave one mole of glycine and three new amino acids. Structures of N-acetyl-O-methyl derivatives of these new amino acids were determined by NMR and UV spectral analyses. Connectivities of these amino acids were determined by HMBC experiments.
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