Structure d'alcaloïdes indoliques doubles d'un type nouveau |
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Authors: | Nicole Kunesch Yves Rolland Jacques Poisson P. L. Majumder R. Majumder A. Chatterjee Vincent C. Agwada Jorge Naranjo Manfred Hesse Hans Schmid |
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Affiliation: | Nicole Kunesch,Yves Rolland,Jacques Poisson,P. L. Majumder,R. Majumder (Née Raychaudhuri),A. Chatterjee,Vincent C. Agwada,Jorge Naranjo,Manfred Hesse,Hans Schmid |
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Abstract: | The Structure of bis-indoline alkaloids of a novel type The structure of folicangine 4 , a bis-indoline alkaloid from the leaves of Voacanga africana, is obtained by correlation with voafolidine 3a and isovoafolidine 3b . It requires an ether bridge between the two parts of the molecule, as in subsessiline (amataine 5a ). Subsessiline-lactone, from the leaves of Voacanga thouarsii has structure 5b proved by correlation with 5a . The CD. curves of double-indole alkaloids of vobtusine type are given (Table 3). |
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