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Merck

857270

Sigma-Aldrich

(+)-Cinchonine

85%

Sinónimos:

Cinchonine monohydrochloride dihydrate, NSC 6176

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About This Item

Fórmula empírica (notación de Hill):
C19H22N2O
Número de CAS:
Peso molecular:
294.39
Beilstein/REAXYS Number:
89689
EC Number:
MDL number:
UNSPSC Code:
12352104
PubChem Substance ID:
NACRES:
NA.22

assay

85%

form

solid

optical activity

[α]23/D +228°, c = 0.5 in ethanol

mp

258-260 °C (lit.)

SMILES string

[H][C@@]12CCN(C[C@H]1C=C)[C@]([H])(C2)[C@@H](O)c3ccnc4ccccc34

InChI

1S/C19H22N2O/c1-2-13-12-21-10-8-14(13)11-18(21)19(22)16-7-9-20-17-6-4-3-5-15(16)17/h2-7,9,13-14,18-19,22H,1,8,10-12H2/t13-,14-,18+,19-/m0/s1

InChI key

KMPWYEUPVWOPIM-QAMTZSDWSA-N

General description

(+)-Cinchonine, one of the alkaloids found in the barks of cinchona tree, is mainly used in the treatment of malaria. It belongs to the monoclinic crystal system and P21 space group. The solubility of cinchonine can be improved by the formation of inclusion complexes with cyclodextrins.

Application

(+)-Cinchonine, in the presence of lithium diisopropylamide (LDA) forms a complex, which can catalyze the asymmetric conjugate addition of benzyl- and alkylphosphonates to aromatic and heteroaromatic nitroalkenes to form the corresponding adducts.

Other Notes

remainder dihydrocinchonine

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Skin Sens. 1A

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

ppe

dust mask type N95 (US), Eyeshields, Gloves


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1 of 2

The molecular and crystal structure of the alkaloid cinchonine.
Oleksyn B, et al.
Acta Crystallographica Section B, Structural Science, 35(2), 440-444 (1979)
Cinchonine catalyzed diastereo-and enantioselective Michael addition of a-lithiated phosphonates to nitroalkenes.
Rai V, et al.
Tetrahedron Asymmetry, 18(22), 2719-2726 (2007)
Song CE.
Cinchona Alkaloids in Synthesis and Catalysis: Ligands, Immobilization and Organocatalysis, 2-3 (2009)
Jiabing Jiang et al.
Journal of chromatography. A, 1218(24), 3763-3770 (2011-05-11)
We designed and synthesized a cinchonine derivative to be used as a novel chiral monomer. It was employed in a dual role of functional monomer and cross-linking monomer, displaying multi-binding sites for the template (S)-ketoprofen. Monodisperse molecularly imprinted core-shell microspheres
Wei Chen et al.
Organic & biomolecular chemistry, 5(5), 816-821 (2007-02-23)
The C3-selective enantioselective Michael-type Friedel-Crafts alkylations of indoles with nonchelating alpha,beta-unsaturated alkyl ketones, catalysed by a chiral primary amine derived from natural cinchonine, were investigated. The reactions, in the presence of 30 mol% catalyst, were smoothly conducted at 0 to

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