Résumé
Les hypotheses sur le mécanisme de la biosynthèse des néoflavanoïdes sont discutées sur la base de résultats de nos expériences d'incorporation dans leCalophyllum inophyllum.
References
G. Kunesch andJ. Polonsky, Phytochemistry8, 1221 (1969).
W. B. Eyton, W. D. Ollis, I. O. Sutherland, O. R. Gottlieb, M. T. Magalhaes andL. M. Jackman, Tetrahedron22, 2683 (1966).
J. Polonsky, Bull. Soc. chim. fr.1957, 1079.
G. Kunesch andJ. Polonsky, Chem. Commun.1967, 317.
Several experiments yielded approximately equal amounts of compounds (Ia) and (II).
D. B. Zilversmit, C. Entenman andM. C. Fishler, J. gen. Physiol26, 323 (1943).
J. Gautier, G. Kunesch andJ. Polonsky, to be published.
G. H. Stout, G. K. Hickernell andK. D. Sears, J. org. Chem.33, 4191 (1968).
E. Guerreiro, G. Kunesch andJ. Polonsky, Phytochemistry, in press.
J. R. Stoker, Biochem. Biophys. Res. Commun.14, 17 (1964).
T. R. Seshadri, Tetrahedron6, 173 (1959).
No exception to the 1, 3, 5-oxygenation pattern of the polyketide unit has so far been recognized among Guttiferae constituents.
E. Guerreiro, G. Kunesch andJ. Polonsky, Phytochemistry10, 2139 (1971).
J. D. Simpson andH. Stephen, J. chem. Soc.1956, 1382.
T. R. Govindachari, D. Prakash andN. Viswanathan, Tetrahedron Lett.1967, 4177.
L. Crombie, D. E. Games andA. McCormick, J. chem. Soc. (C),1967, 2545.
S. K. Nigam, C. R. Mitra, G. Kunesch, B.C. Das andJ. Polonsky, Tetrahedron Lett.1967, 2633.
W. D. Ollis andO. R. Gottlieb, Chem. Commun.1968, 1396.
L. Jurd, Tetrahedron25, 1407 (1969).
W. D. Ollis, An. Acad. brasil. Ciênc.42, 9 (1970).
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We thank the C.E.A. (Saclay) for a grant towards the purchase of labelled compounds, Mr.G. Henry for technical collaboration and the ‘Comité de l'Accueil du Phytotron’ for culture facilities.
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Gautier, J., Cave, A., Kunesch, G. et al. On the biosynthesis of neoflavanoids. Experientia 28, 759–761 (1972). https://doi.org/10.1007/BF01923112
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DOI: https://doi.org/10.1007/BF01923112