Adding a certain compound to certain chemical reactions, such as: 63744-22-9, name is 6,8-Dibromoimidazo[1,2-a]pyrazine, belongs to Pyrazines compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 63744-22-9, Product Details of 63744-22-9
To a solution of 4-(4- (oxetan-3-yl)piperazin- l-yl)-3-(2-((tetrahydro-2H-pyran-2-yl)oxy)ethoxy)aniline XXIV (619 mg, 2.17 mmol) and 6,8-dibromoimidazo[l,2-a]pyrazine (601 mg, 2.2 mmol) in IPA (15 mL) was added N,N-Diisopropylethylamine (0.95 ml, 5.43 mmol). The mixture was stirred at 110 C for 16 h. After this time, DCM (10 mL) and sat aqueous NaHC03 (15 mL) were added. The aqueous layer was separated and extracted with DCM (2 x 10 mL). The combined organic extracts were washed with brine (10 mL) and dried over sodium sulfate. The resulting residue was purified by column chromatography ISCO Rf (24 g column) eluting with a gradient of 100% DCM – 60:35:5 DCM : Et20 : MeOH to provide 6-bromo-N- (4-(4-(oxetan-3-yl)piperazin-l-yl)-3-(2-((tetrahydro-2H-pyran-2- yl) oxy)ethoxy)phenyl)imidazo [ 1 ,2- a] pyrazin- 8 -amine XXV .
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Reference:
Patent; GILEAD SCIENCES, INC.; BLOMGREN, Peter, A.; CURRIE, Kevin, S.; KROPF, Jeffrey E.; LEE, Seung H.; LO, Jennifer R.; MITCHELL, Scott A.; SCHMITT, Aaron C.; XIONG, Jin-Ming; XU, Jiangjun; ZHAO, Zhongdong; WO2015/100217; (2015); A1;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem