IR- und NMR-spektroskopische Untersuchungen an Aryl-substituierten 2,2′-Diindolylmethan-3,3′-bis-[2-(acetylamino)propionsäure-methylestern]
Diindolylmethane, 3. Mitteilung
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Diindolylmethanes, III: IR- and NMR-spectroscopic investigations of arylsubstituted 2,2′-diindolylmethan-3,3′-bis[2-(acetylamino)propionicacid methylesters]
Abstract
Nα-Acetyltryptophanemethylester yields with aromatic aldehydes 2,2′-diindolylmethanes on hydrogen chloride catalysis. These compounds are stabilized in solution by intramolecular H-bonds. The racemic ester should form 32 stereoisomers. At roomtemperature there exist however four: one pair of enantiomers and two mesoforms. These results were supported by IR-,1H-and13C-NMR-spectrometric methods.
Keywords
13C NMR 1H NMR, diindolylmethanes 2,2′-Diindolylmethanes, subst StereoisomersPreview
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