Selective Reduction of the 7-Oxo Group in Pyrido[2,3-d]pyrimidine-4,7-diones: A New Synthetic Approach to 5,10-Dideazatetrahydrofolic Acid (DDATHF)
José I. Borrell,* Jordi Teixidó, Josep Lluís Matallana, Blanca Martínez-Teipel, and Esther Couceiro
Vol 52, Issue 3, 2000, pp.1207-1214
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Pedro Victory,* Rosa Nomen, Octavio Colomina, Miquel Garriga, and Ana Crespo
Vol 23, Issue 5, 1985, pp.1135-1141
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