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HRID 472368作成日:2026年10月26日

Piperazine → 1-(5-Bromopyridin-3-yl)-4-methylpiperazine

https://huagongshe.com/reaction/472368

反応式

関与物質

役割名称HCID仕込み量
反応物PiperazineHCID 4837—
反応物DichloromethaneHCID 6344—
反応物3,5-DibromopyridineHCID 69369—
生成物1-(5-Bromopyridin-3-yl)-4-methylpiperazineHCID 53485314—

反応条件

温度180 °C

反応手順

1-(5-Bromo-pyridin-3-yl)-4-methyl-piperazine was prepared from 3,5-dibromo-pyridine (1.00 g, 4.22 mmol) and piperazine, 1-methyl-(0.936 mL, 8.44 mmol) which were combined and heated in a microwave vial to 180° C. for 2 hours. The reaction mixture was taken up in dichloromethane and purified by silica gel chromatography 0-10% methanol in dichloromethane to afford a clear oil (37%). 1H NMR (400 MHz, (D3C)2SO, δ, ppm): 8.20 (s, 1H), 8.11 (s, 1H), 7.29 (m, 1H), 3.25 (bm, 4H), 2.58 (bm, 4H), 2.35 (s, 3H).

情報源と証拠

DOI10.6084/m9.figshare.5104873.v1
特許番号US08633173B2
出典データセットuspto-grants-2014_01
ORD IDord-6fe060a4e41f4a07abff5b18e0b3ca29
出典メモuspto-grants-2014_01