A crystallographically characterized salt of self-generated N-protonated tetraethylurea?

Chemical Communications Pub Date: 2014-12-08 DOI: 10.1039/C4CC08801H

Abstract

The reaction of 1,1,3,3-tetraethylurea (teu) with WCl6 in dichloromethane afforded [teuH][WCl6], 1, in 50–60% yield. The X-ray structure determined for 1 includes the first example of crystallographic characterization of a N-protonated urea. According to spectroscopic and DFT outcomes, the formation of 1 is the result of an electron transfer/C–H activation process.

Graphical abstract: A crystallographically characterized salt of self-generated N-protonated tetraethylurea
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