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The separation of N,N'-dibutyl-alpha ,alpha '-diphenylethylenediamine dihydrochloride into its meso and racemic forms by Craig's partition method

Schönenberger, Helmut (1958) The separation of N,N'-dibutyl-alpha ,alpha '-diphenylethylenediamine dihydrochloride into its meso and racemic forms by Craig's partition method. Chemische Berichte 91, pp. 862-864.

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Abstract

The title compd. (285 mg., m. 185-220 Deg) was put through a 24-tube Craig app. using the solvent system 28:12:40 2% sq. HClMeOH-CHCl3, which gave a vol. ratio of the phases of 1.6. Most of component A (106 mg., m. 174-6 Deg) remained in the first 2 tubes; most of component B (168 mg., m. 214-16 Deg) was found in tubes 5 to 17 with a max. concn. in tube 11. By analogy with other stereoisomeric ...

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Item Type:Article
Date:1958
Additional information (public):CAN 52:103991 10E Organic Chemistry: Benzene Derivatives 4169-62-4P Role: SPN (Synthetic preparation), PRP (Properties), PREP (Preparation) (The separation of N,N'-dibutyl-alpha ,alpha '-diphenylethylenediamine dihydrochloride into its meso and racemic forms by Craig's partition method); 96504-88-0P (Ethylenediamine, N,N'-dibutyl-1,2-diphenyl-, dihydrochloride) Role: PREP (Preparation) (sepn. of optical isomers by countercurrent distribution)
Institutions:Chemistry and Pharmacy > Institute of Pharmacy > Retired Professors > Prof. Schönenberger
Identification Number:
ValueType
1958:103991Other
Keywords:Resolution (by countercurrent extn.) Extraction (countercurrent, resolution of optical isomers by) Isomerism (diastereo-, sepn. by countercurrent extn.)
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:No
Owner: Petra Gürster
Deposited On:19 Nov 2010 09:58
Last Modified:19 Nov 2010 09:58
Item ID:18133
Owner Only: item control page
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