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. 6959-47-3, name is 2-(Chloromethyl)pyridine hydrochloride. This compound has unique chemical properties. The synthetic route is as follows. name: 2-(Chloromethyl)pyridine hydrochloride
Synthesis of [N,N?-Dimethyl-N,N?-bis-(pyridine-2-ylmethyl)-1,2-diaminoethane] was taken from a previously reported procedure [16]. 2-(chloromethyl)pyridine hydrochloride (1.501 g, 9.15 mmol) dissolved in 5 mL deionized (DI) water was added dropwise to an aqueous solution containing K2CO3 (2.556 g, 18.49 mmol) dissolved in 7.5 mL DI water. The resulting mixture was stirred for 30 min. The mixture was extracted with CH2Cl2 (3×10 mL). The organic phase was collected and dried with anhydrous Na2SO4. The dried solution was concentrated in vacuo to afford orange oil. A solution containing N,N?-dimethylethylenediamine (0.471 mL, 4.38 mmol) in 15 mL CH2Cl2 was added dropwise to the aforementioned orange oil dissolved in 5 mL CH2Cl2. An aqueous solution containing NaOH (0.311 g, 7.78 mmol) dissolved in 7.6 mL DI water was slowly added to organic mixture and stirred at room temperature. After 60 h, a second portion of NaOH solution(0.318 g, 7.95 mmol) was quickly added to the mixture. The combined mixture was extracted with CH2Cl2 (3×20 mL) and dried with anhydrous Na2SO4. The organic solution was concentrated in vacuo to afford a brown oil, BPMEN (Yield: 0.631 g, 2.33 mmol, 70%) 1H NMR(500 MHz, CD2Cl2) delta 8.46 (dt, 2H, pyridine ring), 7.80 (m, 2H, pyridinering), 7.51 (m, 2H, pyridine ring), 7.30 (m, 2H, pyridine ring), 3.70 (m,4H, -CH2), 2.66 (m, 4H, -CH2), 2.27 (s, 6H, -CH3). ESI-MS (MeOH).Observed m/z 271.25 [BPMEN+H+] (z=1); simulated m/z 271.19.
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Reference:
Article; Pella, Bruce J.; Niklas, Jens; Poluektov, Oleg G.; Mukherjee, Anusree; Inorganica Chimica Acta; vol. 483; (2018); p. 71 – 78;,
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