With the volume and accessibility of scientific research increasing across the world, it has never been more important to continue building the reputation for quality and ethical publishing we’ve spent the past two centuries establishing., SDS of cas: 7477-63-6
General procedure: In a 25 mL round bottom flask, isatins 1 (1 mmol), 3-phenylisoxazol-5(4H)-one 2 (1 mmol) or 3-ethylisoxazol-5(4H)-one 7 (1 mmol), pyrazol-5-amine 3 (1 mmol) or 6-aminopyrimidine-2,4-(1H,3H)-dione 5 (1 mmol), and Amberlyst-15 (100 mg) were stirred in CH3OH (5.0 mL) at 80 C. When the reaction was completed (detected by TLC), the spherical catalyst was separated by a sieve at once under hot condition. Then, the reaction mixture was cooled to room temperature, and solid precipitation occurred. After filtration, the crude product was recrystallized from EtOH and DMF to give pure compound.
Future efforts will undeniably focus on the diversification of the new catalytic transformations. These may comprise an expansion of the substrate scope from aromatic and heteroaromatic compounds to other hydrocarbons. Keep reading other articles of 7477-63-6.
Reference:
Article; Niu, Qingqing; Xi, Junhua; Li, Lei; Li, Li; Pan, Chengli; Lan, Meijun; Rong, Liangce; Tetrahedron Letters; vol. 60; 43; (2019);,
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