What does this research mean for the field?

Isatin reacts with primary amines to yield mixtures of E and Z imine stereoisomers, which can be structurally analyzed using NMR spectroscopy and computational methods. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to analyze the structural variations of E and Z imine stereoisomers derived from isatin.

March 6, 2026Open Access

NMR spectroscopic and computational analysis of E / Z isomerism in imines derived from isatin

Key Points

The aim is to analyze the structural variations of E and Z imine stereoisomers derived from isatin.
Used 1H and 13C NMR spectroscopy for structural analysis.
Employ computational methods to support spectroscopic findings.
Examined mixtures produced from the reaction of isatin with primary amines.
Identified distinct spectral features corresponding to E and Z isomerism.
Provided quantitative insights into the composition of isomer mixtures.

Abstract

Isatin reacts with primary amines to yield mixtures of E and Z imine stereoisomers. This study provides a detailed structural analysis using 1 H and 13 C NMR spectroscopy, complemented by computational methods.

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