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- W1997366901 abstract "Die Zuordnung isomerer 2-Amino-indanole 1 zur cis- und trans-Reihe gelingt mit Hilfe der IR-Spektren. Nur in der cis-Reihe mit intramolekularen Wasserstoffbrucken bleibt das Intensitatsverhaltnis der Banden fur die freie und die gebundene OH-Gruppe bei zunehmender Verdunnung konstant, wahrend is sich in der trans-Reihe zugunsten der freien OH-Gruppe deutlich verandert. – Die Zuordnung eines einzelnen 2-Amino-indanol-Derivates zur cis-oder trans-Reihe mit Hilfe des NMR-Spektrums ist nicht sicher moglich, weil die Differenz zwischen den Kopplungskonstanten Ja,b beider Reihen nur etwa 0.5 Hz betragt.Determination of Configuration of 2-AminoindanolsIt is possible to assign th isomeric 2-aminoindanols 1 to either the cis or the trans series by means of their i. r. spectra. Only the cis series forms intramolecular hydrogen bonds; in this case, therefore, the intensity ratio remains constant for the free and bound OH-groups on progressive dilution, whereas in th trans series it changes distinctly infavour of the free OH group. – Definite assignment of a 2-aminoindanol derivative to the cis or trans configuration is not possible from n. m. r. spectra, because the differences in the coupling constant ja,b between both the series is only 0.5 c. p. s." @default.
- W1997366901 created "2016-06-24" @default.
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- W1997366901 date "1969-08-18" @default.
- W1997366901 modified "2023-09-27" @default.
- W1997366901 title "Konfigurationsbestimmung an 2-Amino-indanolen" @default.
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- W1997366901 doi "https://doi.org/10.1002/jlac.19697260105" @default.
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- W1997366901 hasPublicationYear "1969" @default.
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