2004
DOI: 10.1073/pnas.0401323101
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Stereocontrolled total synthesis of (+)-vincristine

Abstract: An efficient total synthesis of (؉)-vincristine has been accomplished through a stereoselective coupling of demethylvindoline and the eleven-membered carbomethoxyverbanamine presursor. Demethylvindoline was prepared by oxidation of 17-hydroxy-11-methoxytabersonine, followed by regioselective acetylation with mixed anhydride method. Although an initial attempt of coupling by using demethylvindoline formamide was not successful and resulted in recovery of the starting compounds, the reaction using demethylvindol… Show more

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Cited by 95 publications
(54 citation statements)
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References 25 publications
(34 reference statements)
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“…Many MIAs and MIA derivatives have medicinal properties; for example, vinblastine, vincristine, and vinflunine are approved anticancer therapeutics (4,5). These structurally complex compounds can be difficult to chemically synthesize (6,7). Consequently, industrial production relies on extraction from the plant, but these compounds are often produced in small quantities as complex mixtures, making isolation challenging, laborious, and expensive (8)(9)(10).…”
mentioning
confidence: 99%
“…Many MIAs and MIA derivatives have medicinal properties; for example, vinblastine, vincristine, and vinflunine are approved anticancer therapeutics (4,5). These structurally complex compounds can be difficult to chemically synthesize (6,7). Consequently, industrial production relies on extraction from the plant, but these compounds are often produced in small quantities as complex mixtures, making isolation challenging, laborious, and expensive (8)(9)(10).…”
mentioning
confidence: 99%
“…We experienced the same problem and came to the conclusion that this degradation product is vincristine itself (Damen et al, 2009a). When vinblastine oxidizes, vincristine is formed (Kuboyama et al, 2004; see also structures A and B in Fig. 1).…”
Section: Internal Standardsmentioning
confidence: 80%
“…When vinblastine oxidizes, vincristine is formed. 37 We tested different batches of vinblastine from different manufacturers and all contained some vincristine. For this reason vinblastine is not a suitable internal standard for vincristine when using an ultra-sensitive LC/MS/MS system.…”
Section: Chromatographymentioning
confidence: 99%