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By Royal Society Of Chemistry

ISBN-10: 0851866603

ISBN-13: 9780851866604

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W. B. Edwards, D. F. Glenn, F. Green, and R. H. Newman, J. , 1978,14,255. E. Leete and S. A. S . Leete, J. Org. , 1978,43,2122. J. I. Seeman, H. V. Secor, J. F. Whidby, and R. L. Bassfield, Tetrahedron Letters, 1978, 1901. T. E. Catka and E. Leete, J. O r g . , 1978, 43, 2125. L. Rondahl, Acta Pharm. Suecica, 1977, 14, 113. B. A. Burke and H . Parkins, Tetrahedron Letters, 1978, 2723. 39Two new bases, euonymine (47)and neo-euonymine (48),have been isolated from the seeds of Euonyrnus sieboldiana Blume.

Herbert, in ref. 6, p. 50. N. N. Gerber, A . G. McInnes, D. G. Smith, J. A . Walter, J. L. C. Wright, and L. C. Vining, Canad. J. , 1978,56, 1155. D. J . Aberhart, Tetrahedron, 1977, 33, 1545. D. J. Morecornbe and D. W. Young, J. C. S. Chem. , 1975, 198; D. W. Young, D. J. Morecornbe, and P. K. Sen, European J. , 1977,75, 133; D. J. Aberhart, L. J. Lin, and J. -R. Chu, J. C. S. Perkin I, 1975, 2517; R. B. Herbert, in ref. 6 , p. 49; in ref. 7, p. 30. ’66(Tritium label from C-2 of cysteine was also retained on formation of antibiotic, but, in addition, considerable loss was observed, attributable to transamination reactions).

P. W. Jeffs, W. C. Archie, R. L. Hawks, and D. S. Farrier, J. Amer. Chem. ,1971,93,3752; P. W. Jeffs, H. F. Campbell, D. S. Farrier, G. Ganguli, N. H. Martin, and G. Molina, Phytochemistry,1974, 13,933; P. W. Jeffs, D. B. Johnson, N. H. Martin, and B. S. Rauckman, J. C. S. Chem. , 1976, 82; R. B. Herbert, in ref. 3, p. 23; in ref. 5, p. 22; in ref. 7, p. 23. P. W. Jeffs, J. M. Karle, and N. H. Martin, Phytochemistry, 1978, 17,719. ;“:II MeO. M eO. Isococculidine (88) H RO \ O T N OH (91) R = M e (92) R = H R Cocculidine (89) R = Me (90) R = H HO \ M eO (93) n 0 (94) 18 The Alkaloids acid (99), and to lesser extent via (98) and ferulic acid (97) (see Scheme 6).

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