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Report | Regular issue | Vol 23, No. 1, 1985, pp.121-126
Published online, 1st January, 1970
DOI: 10.3987/R-1985-01-0121
13C NMR Spectra of Cyanidin and Chrysanthemin

Hisato Ikuta, Toshio Fukai, Taro Nomura,* and Jun Uzawa

*Faculty of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan

Abstract

On the 13C nmr spectrum of cyanidin (1), the signal assignments of all the carbon atoms of 1 were carried out by means of selective decoupling and long-range selective 1H decoupling (LSPD) techniques. The 13C nmr spectrum of chrysanthemin (2) isolated from the fruits of Morus alba L. was analyzed with the aid of insensitive nuclear enhanced by population transfer (INEPT) technique as well as of comparison with the 13C nmr spectrum of 1.