Applications of proton magnetic resonance spectroscopy to structural problems–XXXI Hindered internal rotation in 2-dimethyl-aminopyridine derivatives

Applications of proton magnetic resonanc

Applications of proton magnetic resonance spectroscopy to structural problems—XXXIV: Partial bond fixation in bicyclic heteroaromatic compounds

✍ A. J. Boulton; P. J. Halls; A. R. Katritzky 📂 Article 📅 1969 🏛 John Wiley and Sons 🌐 English ⚖ 303 KB

NMR spectral parameters are reported for benzofurazan, 1,2,3-and 2,1,3-benzothiadiazole, and I-methyl-and 2-methyl-benzotriazole. The coupling constants are discussed in conneG tion with the aromaticity of these compounds and the occurrence of partial bond fixation.