Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 1180132-17-5, name is 5-((4-Ethylpiperazin-1-yl)methyl)pyridin-2-amine. A new synthetic method of this compound is introduced below., Computed Properties of C12H20N4
General procedure: To a solution of 5a (0.10 g, 0.33 mmol) and 9a (0.07 g, 0.33 mmol) in 1,4-dioxane (2 mL), were added Cs2CO3 (0.21 g, 0.65 mmol), Pd2(dba)3 (0.03 g, 0.03 mmol) and XantPhos (0.03 g, 0.06 mmol). The mixture was heated to 120 C for 60 min with microwave, then cooled to room temperature, diluted with water (10 mL), and extracted with DCM (40 mL × 3). The combined organic layers were washed with water (40 mL) and brine (40 mL), dried over anhydrous Na2SO4, concentrated under vacuum, and purified by silica gel column chromatography (DCM / MeOH = 20:1) to give compound 10a (0.02 g, 12.40%) as a yellow solid.
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Reference:
Article; Wang, Yan; Liu, Wen-Jian; Yin, Lei; Li, Heng; Chen, Zhen-Hua; Zhu, Dian-Xi; Song, Xiu-Qing; Cheng, Zhen-Zhen; Song, Peng; Wang, Zhan; Li, Zhi-Gang; Bioorganic and Medicinal Chemistry Letters; vol. 28; 5; (2018); p. 974 – 978;,
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