12 results on '"Cinchona chemistry"'
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2. A thorough evaluation of matrix-free laser desorption ionization on structurally diverse alkaloids and their direct detection in plant extracts.
3. Effects of cinchonine, a Cinchona bark alkaloid, on spontaneous and induced rat ileum contractions.
4. Quantitative determination of major alkaloids in Cinchona bark by Supercritical Fluid Chromatography.
5. Enantioselective electrophilic cyanation of β-keto amides catalysed by a cinchona organocatalyst.
6. An Optimised Method for Routine Separation and Quantification of Major Alkaloids in Cortex Cinchona by HPLC Coupled with UV and Fluorescence Detection.
7. Direct high-performance liquid chromatographic enantioseparation of secondary amino acids on Cinchona alkaloid-based chiral zwitterionic stationary phases. Unusual temperature behavior.
8. Asymmetric chroman synthesis via an intramolecular oxy-Michael addition by bifunctional organocatalysts.
9. Enantioselective monofluoromethylation of aldehydes with 2-fluoro-1,3-benzodithiole-1,1,3,3-tetraoxide catalyzed by a bifunctional cinchona alkaloid-derived thiourea-titanium complex.
10. Highly enantioselective decarboxylative protonation of alpha-aminomalonates mediated by thiourea cinchona alkaloid derivatives: access to both enantiomers of cyclic and acyclic alpha-aminoacids.
11. Cinchona-alkaloid-catalyzed enantioselective direct aldol-type reaction of oxindoles with ethyl trifluoropyruvate.
12. Polymer-supported Cinchona alkaloid-derived ammonium salts as recoverable phase-transfer catalysts for the asymmetric synthesis of alpha-amino acids.
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