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- W1975682012 abstract "Starting with 1,1-dimethoxy-2-propanone (1), 6-formyl-1,2-dihydro-2-oxo-3-pyridinecarboxylic acid (5a) has been prepared in large quantities by a highly efficient, 4-step synthesis. This compound, along with its one carbon homologue, 6-acetyl-1,2-dihydro-2-oxo-3-pyridinecarboxylic acid (5b) has been reacted with several carbonyl derivative forming reagents to provide a series of side chains for β-lactams. Among these carbonyl derivatives are styrylamides which were prepared from Wittig and Horner-Emmons reagents. The preparation of the phosphonium salts and phosphonate esters is also described." @default.
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- W1975682012 date "1994-03-01" @default.
- W1975682012 modified "2023-09-27" @default.
- W1975682012 title "An efficient synthesis of 6-formyl-1,2-dihydro-2-oxo-3-pyridinecarboxylic acid and some carbonyl derivatives of it and its 6-acetyl homologue" @default.
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- W1975682012 doi "https://doi.org/10.1002/jhet.5570310207" @default.
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