## Abstract A facile procedure for preparing 4‐fluoroantipyrine is reported. Treatment of antipyrine with molecular fluorine gives 4‐fluoroantipyrine (3) and 4,4‐difluoro‐3‐hydroxy‐2,3‐dimethyl‐1‐phenylpyrazolidin‐5‐one (2). The product distribution depends on the ratio of antipyrine and molecular
✦ LIBER ✦
Synthesis of 5-fluoroalkyl-5-methyloxazolidine-2,4-diones and their 18F-labeled analogs as potential indicators of tissue pH
✍ Scribed by Minoru Maeda; Yoshihiko Tatsuki; Toshimitsu Fukumura; Masaharu Kojima
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- French
- Weight
- 471 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0022-2135
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