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Joy, Shaon; Nakanishi, Waka; West, F.G.
Tetrahedron letters, 10/2013, Letnik: 54, Številka: 41Journal Article
As a result of difficulties in scaling up silicon-directed Nazarov cyclization for use in the synthesis of taxane natural products, the effect of additives was examined. Hydroxylic additives were found to convey a consistent beneficial effect on the rate, overall yield, and scalability of these reactions. Optimal conditions (1.5equiv methanol or water with substoichiometric FeCl3), were successfully applied to a range of β-silyl dienone substrates, including several complex polycyclic examples, as well as simpler dienones previously shown to be low-yielding or completely unreactive under the conventional conditions.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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