Journal
TETRAHEDRON
Volume 57, Issue 9, Pages 1671-1675Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4020(00)01168-6
Keywords
guanidines; thioureas; guanylation reaction; X-ray analysis
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In this work, it is demonstrated that the benzoyl group is an activating group for thioureas in the HgCl2-guanylation reaction. Thus N-benzoyl-thioureas containing electronically neutral and even electron-withdrawing or electron-releasing substituents are converted into guanidines with reasonable yields. In addition, NMR and X-ray structural analyses were performed to understand the intra- and intermolecular features of the synthesized guanidines. (C) 2001 Elsevier Science Ltd. All rights reserved.
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