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2005
Pyridine derivatives
R 0380
Partial Reduction of Pyridinium Salts as a Versatile Route to Dihydropyridones.
A concise route to the title compounds includes the reduction of the pyridinium salts
24- 131 —
under ammonium-free conditions and the subsequent reaction with a variety of electrophiles as the key steps. The chemistry of the products is investigated showing that every
position in the ring can be derivatized by standard synthetic methods. —
(DONOHOE*, T. J.; JOHNSON, D. J.; MACE, L. H.; BAMFORD, M. J.; ICHIHARA,
O.; Org. Lett. 7 (2005) 3, 435-437; Dep. Chem., Univ. Oxford, Oxford OX1 3QR, UK;
Eng.) — Steudel
2005
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