Configurational assignment of seven synthesized N-arylsulfonylimines of alpha-polychloroaldehydes has been carried out by means of experimental measurements and high-level ab initio calculations of their (13)C--(13)C, (13)C--(1)H and (15)N--(1)H spin-spin coupling constants. The title compounds were shown to exist in solution solely in the form of E isomers, in line with thermodynamic reasoning.
Sulfonamides
SulfonamidesQ 0560 Sulfonylimines of Polychloroaldehydes in Reaction with Thioamides. -N-(2,2,2-trichloroethylidene)-and N-(2-phenyl-2,2-dichloroethylidene)amides of aromatic sulfonic acids (I) react readily with thiacetamide, thiourea, and N-acetylthiourea. -(ROSENTSVEIG, G. N.; AIZINA, Y. A.; ROSENTSVEIG, I. B.; LEVKOVSKAYA, G. G.; SARAPULOVA, G. I.; MIRSKOVA, A. N.; DROZDOVA, T. I.; Russ.
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