Abstract
Data on the linear dependence of the constants of geminal spin-spin coupling of the phosphorus and hydrogen atoms on the long-wave absorption maxima in the electronic spectra for azolo[4,5-d]oxaphospholenes and their acyclic isomeric salts were obtained. The effect of the substituents and conformational factors on the indicated dependence was studied.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1051–1055, August, 1985.
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Lukanyuk, S.S., Kochkanyan, R.O. Relationship between the constants of geminal spin-spin coupling of phosphorus and hydrogen atoms and the changes in the chromophore link in azolo[4,5-d]oxaphospholenes and their protonation products. Chem Heterocycl Compd 21, 875–879 (1985). https://doi.org/10.1007/BF00519813
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DOI: https://doi.org/10.1007/BF00519813