Diastereomere N,N′-substituierte 1,2-Diphenyl-äthylendiamine
✍ Scribed by Werner Stühmer; Günter Meßwarb
- Publisher
- John Wiley and Sons
- Year
- 1953
- Tongue
- English
- Weight
- 785 KB
- Volume
- 286
- Category
- Article
- ISSN
- 0365-6233
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**2‐Substituted 1,3‐Dinaphthylimidazolidines from __N,N__′‐Dinaphthylethylenediamines** Reactions of __N,N__′‐di‐1‐ and __N,N__′‐di‐i‐naphthylethylenediamines (**2, 3**) with some aldehydes are described and the NMR spectra of the resulting imidazolidines **4**–**7** are discussed.
## Abstract N^1^‐Substituted carboxylic acid hydrazides were obtained by reduction of aryl‐4‐oxo‐1‐thia(S^IV^)‐2,3‐diazolines with aluminium amalgam.
## Abstract Das Verteilungsverfahren nach L.C. Craig erlaubt auch die Auftrennung von __Stereoisomerengemischen__. Am Beispiel des __N__,__N__′‐Dibutyl‐α,α′‐diphenyl‐äthylendiamin‐dihydrochlorids wird zunächst die Trennung in Meso‐ und Racemform gezeigt.