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Tetrahydropyrido 3,4-b pyrazine scaffolds from pentafluoropyridine.

Sandford, G. and Slater, R. and Yufit, D. S. and Howard, J. A. K. and Vong, A. (2005) 'Tetrahydropyrido 3,4-b pyrazine scaffolds from pentafluoropyridine.', Journal of organic chemistry., 70 (18). pp. 7208-7216.


Representative polyfunctional tetrahydropyrido[3,4-b]pyrazine scaffolds have been synthesized very readily by a one-pot annelation reaction of pentafluoropyridine with appropriate diamines. The trifluorinated pyridopyrazine products react sequentially with various nucleophiles to give polysubstituted tetrahydropyridopyrazines, demonstrating the potential of the polyfluorinated ring fused pyridine system as a scaffold for the synthesis of previously inaccessible polysubstituted pyridopyrazine derivatives. This general approach has special relevance to the development of new chemical entities for the life science industries and particularly in the drug discovery arena, in which low molecular weight, polyfunctional heterocyclic derivatives are playing an increasingly important role.

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Record Created:20 Apr 2007
Last Modified:19 Nov 2010 16:55

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