Analyzing the synthesis route of 216144-45-5

216144-45-5, 216144-45-5 4-(4-Methylpiperazin-1-yl)benzylamine 2776493, apiperazines compound, is more and more widely used in various fields.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.216144-45-5,4-(4-Methylpiperazin-1-yl)benzylamine,as a common compound, the synthetic route is as follows.

To a solution of 4- (4-methylpiperazin-1-yl) benzylamine (43 mg, 0.21 mmol) in toluene (4 mL) under nitrogen protection was added trimethylaluminum (0.2 mL, 1 M n-hexane solution), The reaction system was stirred at room temperature for 15 minutes, and 4,9-dioxo-4,9-dihydrothiazolo [5,4-g] isoquinoline-2-carboxylic acid ethyl ester (20 mg, 0.07 mmol) was added. The reaction system Stir at 90 C for 5 hours.The reaction solution was concentrated under reduced pressure andpurifiedby prep-HPLC (NH4HCO3system) to obtain compound 8 (2 mg, yield: 7%) as a yellow solid.

216144-45-5, 216144-45-5 4-(4-Methylpiperazin-1-yl)benzylamine 2776493, apiperazines compound, is more and more widely used in various fields.

Reference:
Patent; Shanghai Dinuo Pharmaceutical Technology Co., Ltd.; Zhao Zhiming; (42 pag.)CN110467629; (2019); A;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics