Optisch aktive aromatische Spirane, 13. Mitt

Autor:	Karl Schlögl, Horst Neudeck, Heinz Tscheplak
Rok vydání:	1985
Předmět:	Circular dichroism chemistry.chemical_compound Ethanol chemistry Organic chemistry General Chemistry Optically active Enantiomer
Zdroj:	Monatshefte f�r Chemie Chemical Monthly. 116:789-799
ISSN:	1434-4475 0026-9247
DOI:	10.1007/bf00809156
Popis:	Several optically active title compounds were obtained from the 4′-acetyl-4-carboxylic acid2 or the 4,4′-diacetyl derivative4. (−)-2 was accessible by optical resolutionvia its (−)-α-phenethylamine salts, (+)- and (−)-4 as well as the enantiomeric methylesters3 (of2) were obtained by chromatography on triacetylcellulose in ethanol. The enantiomeric purities were established either from the chromatographic results or from the1H-NMR spectra of the phenethyl-amine saltes (via the diastereotopic acetyl protons).
Databáze:	OpenAIRE
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