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Green Chem., 2005, 7, 650 - 654, DOI: 10.1039/b507581p

Poly(ethyleneglycol)(PEG): a versatile reaction medium in gaining access to 4-(pyridyl)-terpyridines

Christopher B. Smith, Colin L. Raston and Alexandre N. Sobolev

A new paradigm for the synthesis of 4-pyridyl terpyridines using poly(ethyleneglycol) (PEG) as a benign reaction medium is described, with the compounds readily accessible in high purity in ca. 4 hours using a one pot procedure. This method requires no product purification and affords the desired compounds in reasonable yield without the formation of unwanted side products.

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