S. Maeda, H. Matsushita, Y. Mikami
1980
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0
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Agricultural and biological chemistry
Abstract
N-Methylmyosmine is an important intermediate in a biological degradation of nicotine. The authors previously reported the structure of N-methylmyosmine 1 in an organic solvent and its reversible change to pseudooxy nicotine 2 dihydrochloride,1) however, its structure under the physiological pH condition was not determined. When N-methylmyosmine was dissolved in buffers of various pHs, their UV spectra were different from one another as shown in Fig. 1. The figure indicates that the