SDS of cas: 317-20-4, New month, new HOT articles! We are pleased to share a selection of our referee-recommended HOT articles for 2021. We hope you enjoy reading these articles.
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.
The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.
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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