Conversion of (±)-[β-14C, 2-3H]tryptophan and [β-14C, 2-3H]tryptamine into (–)-chimonanthine has been shown to occur in Chimonanthus fragrans(praecox) without loss of tritium. Degradation of the alkaloid has established the predicted labelling pattern. A synthesis of [2-3H]- and [2-3H]-indole from indoxyl is recorded and the structure of diacetoxymercuri-indole is revised.
G. W. Kirby, S. W. Shah and E. J. Herbert, J. Chem. Soc. C, 1969, 1916 DOI: 10.1039/J39690001916
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