Ramoplanin (A-16686), a new glycolipodepsipeptide antibiotic. IV. Complete sequence determination by homonuclear 2D NMR spectroscopy |
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| Authors: | J K Kettenring R Ciabatti G Winters G Tamborini B Cavalleri |
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| Affiliation: | Merrell Dow Research Institute-Lepetit Research Center, Gerenzano, Italy. |
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| Abstract: | Homonuclear 2D NMR spectroscopy double quantum filter correlation spectroscopy (DQF-COSY), relayed-COSY, nuclear Overhauser enhancement spectroscopy (NOESY), and DQF-relayed-NOESY) allowed the complete determination of the core depsipeptide of antibiotic ramoplanin (A-16686). In particular, the DQF-relayed-NOESY experiments were essential in assigning the single signals close to the diagonal. |
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