Copper(0) in the Ullmann heterocycle-aryl ether synthesis of 4-phenoxypyridine using multimode microwave heating
- Benaskar, F.
- Engels, V.
- Patil, N.G.
- Rebrov, E.V.
- Meuldijk, J.
- Hessel, V.
- Hulshof, L.A.
- Jefferson, D.A.
- Schouten, J.C.
- Wheatley, A.E.H.
DOIAbstract
The action of nanoparticulate copper catalysts with a mean particle size of 10 nm in the Ullmann ether synthesis is reported using multimode microwave heating and employing stable chloropyridine salts and unactivated phenol, with stabilized copper nanoparticles outperforming other copper catalysts in terms of stability and reusability
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