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Communication | Regular issue | Vol 55, No. 1, 2001, pp.21-28
Published online, 1st January, 1970
DOI: 10.3987/COM-00-9084
■ 13C NMR Spectral Assignment of 5-Hydroxy-1,5-imino-3-benzazocin-4,7,10-trione Derivatives: The Revised Structure of Renieramycin H

Naoki Saito,* Haruyuki Sakai, Khanit Suwanborirux, Sunibhond Pummangura, and Akinori Kubo*

*Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan

Abstract

13C NMR assignments of the ABC ring model compounds of saframycin H with the proposed structure were performed using a two-dimensional 1H detected heteronuclear multiple-bond correlation (HMBC) experiment. The structure of renieramycin H was reassigned with the revised structure.