Abstract

AbstractThe infrared spectrum of indirubin in the solid state and the 1H, 13C and 15N NMR spectra in DMSO‐d6 solution as well as the 13C and 15N CPMAS spectra have been recorded. Different types of calculations (B3LYP, GIAO, and GIPAW) have been carried out. Experimental and calculated values were compared yielding commensurate results. E/Z isomerism was explored, as was oxo/hydroxy tautomerism.

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