317-20-4, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 317-20-4, name is 7-Fluoroisatin, This compound has unique chemical properties. The synthetic route is as follows.
General procedure: A mixture of isatins 1 (1 mmol), substituted 1H-pyrazol-5-amine 2 (1 mmol), 6-aminopyrimidine-2,4(1H,3H)-dione 3 or 6-amino-1,3-dimethylpyrimidine-2,4(1H,3H)-dione 5 (1 mmol), H2O(6 mL), and HOAc (2 mL) was placed in a 25-mL flask andstirred at 90 C (monitored by thin layer chromatography (TLC)) for about 7 h. Afterreaction completion, the mixture was cooled to room temperature and the precipitateobtained by filtration. Compounds 4 or 6 were further purified by recrystallizationfrom DMF.
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Reference:
Article; Dai, Lei; Mao, Kaimin; Pan, Zhengbing; Rong, Liangce; Research on Chemical Intermediates; vol. 45; 2; (2019); p. 769 – 788;,
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