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Optical Purity Determination ofthreo-Methylphenidate Hydrochloride Using a Chiral Europium Nuclear Magnetic Resonance (NMR) Shift Reagent

โœ Scribed by George M. Hanna; Cesar A. Lau-Cam


Book ID
110341386
Publisher
Springer US
Year
1990
Tongue
English
Weight
581 KB
Volume
07
Category
Article
ISSN
0724-8741

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Optical purity determination by NMR: Use
โœ G. H. Dewar; J. K. Kwakye; R. T. Parfitt; R. Sibson ๐Ÿ“‚ Article ๐Ÿ“… 1982 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 540 KB

of the following in a volume of 1 liter: naphthalene (150 g), 2,5-diphenyloxazole (8 g), 1,4-bis(4-methyl-5-phenyl-oxazol-2-yI)benzene (0.6 g), ethylene glycol (20 ml), 2-ethoxyethanol(lOO ml), and toluene to make 1 liter. The radioactivity was measured in the liquid scintillation counter with an 18