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ChemInform Abstract: Methenamine as an Efficient Ligand for Copper-Catalyzed Coupling of Phenols with Aryl Halides.

✍ Scribed by Cunwei Qian; Qianshou Zong; Dong Fang

Book ID
112043932
Publisher
John Wiley and Sons
Year
2012
Weight
35 KB
Volume
43
Category
Article
ISSN
0931-7597

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Copper-catalyzed N-arylation of imidazoles can be accomplished using (CuOTf)2Β°benzene as a copper source and Cs2CO3 as a base in xylenes at 110-125 Β°C. Addition of 1,10-phenanthroline (phen) and trans, trans-dibenzylideneacetone (dba) was crucial to the success of the process. The products, N-arylim