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- W2313233638 abstract "The reaction of 4-ethoxymethylene-2-phenyl-5-oxazolone (1) with 3-amino-2-butenoates (2a-2c) gave 1-substituted 3-benzamido-5-ethoxycarbonyl-6-methyl-2-(1H)-pyridones (4a-4c) in 56-77% yields. Similarly, compound 1 reacted with 3-amino-2-butenamides (3a and 3b) to yield 1-substituted 3-benzamido-5-carbamoyl-6-methyl-2 (1H)-pyridones (7a and 7b). In the reaction of compound 1 with arylaminobutenamides (3c and 3d), 5-carbamoyl-2 (1H)-pyridones (7c and 7d) and 5-cyano-2 (1H)-pyridones (8c and 8d) were obtained." @default.
- W2313233638 created "2016-06-24" @default.
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- W2313233638 date "1985-01-01" @default.
- W2313233638 modified "2023-10-02" @default.
- W2313233638 title "Studies on amino acid derivatives. IV. Synthesis of 3-amino-2(1H)-pyridone derivatives using 4-ethoxymethylene-2-phenyl-5-oxazolone." @default.
- W2313233638 doi "https://doi.org/10.1248/cpb.33.2731" @default.
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