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cinchona造句
1. Nearby grew a tree, nowadays known as Cinchona. 2. Colombian tree; source of Cartagena bark ( a cinchona bark ) . 3. We are looking for good quantities of Cinchona Bark having Qunine content of min 4% Kindly advise us on the same Looking forward for your reply. Our monthly usage is 200MT. 4. Quinine and other related cinchona alkaloids were chosen for the separation of some tart enantiomers of phenylalanine, aromatic acids and other acids. 5. The inclusion complexation behavior of sulfoantocalixarenes with four cinchona alkaloids was investigated by means of fluorescent spectra. 6. The applications of cinchona alkaloids and parts of their derivatives in asymmetric synthesis were reviewed with 34 references. 7. The reaction mechanism in tartrate modified catalysts and cinchona modified catalysts are also discussed. 8. The first ever mention of using the cinchona bark was in official records of community of Jesuit missionaries. 9. The reaction mechanism in tartrate modified catalysts and cinchona modified catalysts are also discuss... 10. This paper focuses on the synthesis of cinchona alkaloid catalysts which contains rigid polybenzene moieties and their application in asymmetric catalytic reactions. 11. Quinine: Alkaloid found in the bark of cinchona trees and shrubs. 12. Various applications of the cinchona alkaloid derivatives in asymmetric synthesis have been reported in recent years. 13. Squirt StressLess mouth spray, ? packed with passionflower and cinchona, under your tongue three times a day (sprayology. com). 14. And in the 1600s, after conquistadors discovered that South American cinchona bark cured malaria, Europe was flooded with fake bark. 15. Osmuim-catalyzed asymmetric dihydroxylation reaction (AD reaction) of olefins, with cinchona alkaloid derivatives as chiral ligands, is the most effective method to obtain chiral vicinal diols. 16. In particular, the chiral phase transfer catalysts (PTC) have been almost limited to Cinchona alkaloid, such as Cinchonine (CN), Quinine (QN) and related compounds. 17. Specially formulated from herb extracts and proteins, HERBATINT? uses rosemary, cinchona and walnut husk, to gently deposit colour, achieving a natural, vibrant result for your hair. 18. For example, quinine, an effective antimalarial drug, comes from the bark of the cinchona tree and has long been used in traditional Latin American remedies. 19. Gin gets its flavor from juniper tree berries, and the quinine in tonic comes from the cinchona tree. 20. An alkaloid, C19H22N2O, derived from the bark of various cinchona trees and used as an antimalarial agent.