title: NMR studies of chromomycins, olivomycins, and their derivatives.
abstract: Detailed studies on the 13C and 1H NMR spectra of chromomycins A2 and A3, olivomycins A and B, and their derivatives clarified the assignment of many signals which had been unassigned or erroneously reported in the literatures. The revised assignments for chromomycin A3 and olivomycin A include the assignment of a key 13C signal used to discuss the saccharide linkage in question. Structure analyses based on the revised assignments support the alpha,1----3-bond between components of the disaccharide moiety in the molecules. Some general information useful for structure analysis of saccharides is also reported.
authors.affiliation: Shionogi Research Laboratories, Shionogi & Co., Ltd., Osaka, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Yoshimura
authors.forename: M
authors.initials: M
authors.lastname: Koenuma
authors.forename: K
authors.initials: K
authors.lastname: Matsumoto
authors.forename: K
authors.initials: K
authors.lastname: Tori
authors.forename: Y
authors.initials: Y
authors.lastname: Terui
mesh_terms: D002865:Chromomycins / Q000302:isolation & purification* / Q000494:pharmacology; D009682:Magnetic Resonance Spectroscopy; D009848:Olivomycins / Q000302:isolation & purification* / Q000494:pharmacology
chemical_list: D002865:Chromomycins; D009848:Olivomycins; C055116:demethylolivomycin A; C055114:demethylchromomycin A2; C055117:demethylolivomycin B; C055115:demethylchromomycin A3