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Merck

C80407

Sigma-Aldrich

Cinchonidine

96%

Sinónimos:

(−)-Cinchonidine

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About This Item

Fórmula empírica (notación de Hill):
C19H22N2O
Número de CAS:
Peso molecular:
294.39
Beilstein/REAXYS Number:
89690
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

96%

form

powder

optical activity

[α]23/D −109.2°, c = 1.5 in ethanol

mp

204-206 °C (lit.)

SMILES string

O[C@@H]([C@@H]1C[C@@H]2CCN1C[C@@H]2C=C)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-KODHJQJWSA-N

Gene Information

human ... CYP2D6(1565)

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General description

Cinchonidine is a cinchona alkaloid, which belongs to the orthorhombic crystal system and P212121 space group.

Application

The enantioselective hydrogenation of ethyl pyruvate in the presence of cinchonidine modified platinum/alumina catalyst leads to the enantiomeric excess of ethyl (R)-lactate.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Sens. 1A

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type N95 (US)


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Blaser HU, et al.
Studies in Surface Science and Catalysis, 67, 147-155 (1991)
The alkaloid cinchonidine.
Oleksyn BJ
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, 1832-1834 (1982)
Nobutaka Maeda et al.
Journal of the American Chemical Society, 133(49), 19567-19569 (2011-11-17)
An understanding of the chiral site-substrate interaction is a necessary prerequisite for the rational design and development of efficient heterogeneous asymmetric catalysts. For the enantioselective hydrogenation of α-ketoesters on cinchona-modified platinum, it has earlier been proposed that the crucial interaction
Atsushi Urakawa et al.
The journal of physical chemistry. A, 112(31), 7250-7255 (2008-07-19)
Conformational space of cinchonidine has been explored by means of ab initio potential and free energy surfaces, and the temperature-induced changes of conformational populations were studied by a combined NOESY-DFT analysis. The DFT-derived potential energy surface investigation identified four new
Angelo Vargas et al.
The journal of physical chemistry. A, 110(3), 1118-1127 (2006-01-20)
The conformational analysis of the synthetic chiral modifier O-phenyl-cinchonidine (PhOCD) used in enantioselective hydrogenations over noble metal catalysts has been performed at a PM3 semiempirical level in vacuum. The minimum energy conformations calculated at the DFT level with a medium-size

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