(-)-Sparteine (sulfate)
CAS No. : 299-39-8
(Synonyms: (-)-Lupinidine (sulfate))
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| Cat. No. : | HY-N0491 |
| M.Wt: | 332.46 |
| Formula: | C15H28N2O4S |
| Purity: | >98 % |
| Solubility: | 10 mM in DMSO |
(-)-Sparteine sulfate ((-)-Lupinidine sulfate) is a chiral proton base and catalytic promoter. (-)-Sparteine sulfate promotes the enantioselective carbolithiation of cinnamyl derivatives with primary and secondary organolithium reagents. (-)-Sparteine sulfate forms mixed aggregates with lithium halides. As an exogenous chiral base, (-)-Sparteine sulfate deprotonates palladium-bound secondary alcohols, promotes the formation of palladium-alkoxide species, and alters the rate-limiting step of the catalytic cycle, thereby affecting reaction rate and enantioselectivity[1][2]. In Vitro:(-)-Sparteine sulfate promotes the enantioselective carbolithiation of various cinnamyl derivatives (including alcohol, ether, amine and homoallylic alcohol derivatives) with primary and secondary alkyllithiums[1].
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