22766-68-3,Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. Ethyl quinuclidine-4-carboxylate,22766-68-3, This compound has unique chemical properties. The synthetic route is as follows.
1-Azabicyclo[2.2.2]oct-4-yl(diphenyl)methanol A solution of phenyllithium (1.5-1.7 M in 70 cyclohexane/30 ether, 20.0 mL, 32 mmol) was chilled down to -30 C. under Ar. Ethyl 1-azabicyclo[2.2.2]octane-4-carboxylate (1.51 g, 8.23 mmol) in THF (20 mL) was slowly added to the reaction mixture at -30 C. over 25 min. The reaction was allowed to warm up to room temperature over 16 h. The reaction was quenched with H2O and then evaporated to dryness under vacuum. H2O and EtOAc were added, causing a white solid to crash out. This solid was filtered off, to give the title compound (0.79 g). The aqueous phase was further extracted with EtOAc, the combined organic layers were dried over MgSO4, filtered, and concentrated under vacuum. The crude product was treated with EtOAc and hexane and filtered to yield more of the title compound (0.67 g). Total yield (1.46 g, 60.7%). EI-MS m/z 294(M+H+) Rt (1.37 min)., 22766-68-3
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Reference£º
Patent; Laine, Damane I.; Palovich, Michael R.; McCleland, Brent W.; Neipp, Christopher E.; Thomas, Sonia M.; US2007/185155; (2007); A1;,
Quinuclidine – Wikipedia
Quinuclidine | C7H13N | ChemSpider