Charge-Transfer Adducts of Chalcogenourea Derivatives of N-Heterocyclic Carbenes with Iodine Monochloride by Marina Saab Fady Nahra & Kristof Van Hecke

Author:Marina Saab, Fady Nahra & Kristof Van Hecke
Format: pdf
Tags: In this communication, we investigate the reaction between seleno- and thiourea, derived from N-heterocyclic carbenes, with the interhalogen iodine monochloride. The formation of all three products was confirmed by NMR spectroscopy, while single-crystal X-ray analyses were able to establish a charge-transfer coordination type, which showed a linear Se/S-I-Cl arrangement, for all adducts formed. Based on a detailed crystallographic analysis, we can deduce the zwitterionic character of these compounds., selenourea; thiourea; N-heterocyclic carbene; iodine monochloride


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