1976
DOI: 10.1021/ja00438a046
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Application of a modification of the Polonovski reaction to the synthesis of vinblastine-type alkaloids

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1978
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Cited by 230 publications
(89 citation statements)
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“…Our hypothesis has been subsequently confirmed [14] by labelling experiments, and duly acknowledged by Potier and co-workers [15].…”
supporting
confidence: 78%
“…Our hypothesis has been subsequently confirmed [14] by labelling experiments, and duly acknowledged by Potier and co-workers [15].…”
supporting
confidence: 78%
“…Mais les chimistes se heurtent à la complexité de la synthèse de ces substances, et la société Eli Lilly (Figure 1), profitent de la récente mise au point de la réaction Polonovski-Potier pour tenter la synthèse de l'anhydrovinblastine, qui aurait constitué l'avant-dernière étape de la synthèse de la vinblastine, permettant ainsi de s'affranchir de sa production naturelle par la plante. Ils réussissent en 1974 à synthétiser l'anhydrovinblastine à partir de précurseurs présents en plus grande quantité dans la plante (catharanthine et vindoline) [8]. En essayant de l'hydrater pour obtenir la vinblastine, un thésard d'Yves Langlois, Pierre Mangeney, remarque lors d'une analyse chromatographique une minuscule tache bleue qui ne correspond pas à la molécule recherchée.…”
Section: La Synthèse De La Vinblastine Et La Découverte De La Navelbine®unclassified
“…[1][2][3][4] In the field of alkaloids, such compounds often exhibit biological activities dramatically increased, when compared with the corresponding monomeric units, as illustrated by anticancer heterodimeric bisindole alkaloids vinblastine and vincristine, 5) and curarizing homodimeric bisindole and bisisoquinoline alkaloids toxiferine and tubocurarine. 6) As far as DNA interacting agents are concerned, the idea of mimicking Nature led to conceive dimeric synthetic systems, which also display significantly enhanced biological activity when compared to the parent monomeric entities.…”
mentioning
confidence: 99%
“…6) As far as DNA interacting agents are concerned, the idea of mimicking Nature led to conceive dimeric synthetic systems, which also display significantly enhanced biological activity when compared to the parent monomeric entities. Ditercalinium (1), resulting from the dimerization of two pyridocarbazole units related to natural alkaloids ellipticine (2) and olivacine (3) is an excellent example of this approach. [7][8][9] Benzo [b]acronycine derived antitumor derivatives, developed from the model of natural acronycine (4), [10][11][12][13][14] are exemplified by diacetate 5, currently under phase I clinical trials under the code S23906-1.…”
mentioning
confidence: 99%