Hydrochloric Acid → 3-(1H-imidazol-2-yl)piperidine hydrochloride
反応式
[NH:1]1[CH:5]=[CH:4][N:3]=[C:2]1[CH:6]1[CH2:11][CH2:10][CH2:9][N:8](C(OCC2C=CC=CC=2)=O)[CH2:7]1.Cl.C(Cl)[Cl:24].CO>O1CCOCC1>[ClH:24].[NH:1]1[CH:5]=[CH:4][N:3]=[C:2]1[CH:6]1[CH2:11][CH2:10][CH2:9][NH:8][CH2:7]1参加物
6
反応条件
- 温度
- 70 °C
実験手順
A 250-mL round-bottomed flask was charged with a solution of benzyl 3-(1H-imidazol-2-yl)piperidine-1-carboxylate (1.5 g, 5.26 mmol, 1.00 equiv) in dioxane (15 mL). To this was added conc. HCl (9 mL). The resulting mixture was stirred for 4 hours at 70° C. in an oil bath. The reaction progress was monitored by TLC (DCM: MeOH=10:1). Upon completion, the resulting solution was diluted with dioxane (10 mL) and concentrated on a rotary evaporator affording 3-(1H-imidazol-2-yl)piperidine hydrochloride as black solid in (0.48 g, 57%).
後処理
- concentrationconcentrated on a rotary evaporator
出典と根拠
- ORDレコード
- ord-a959826435da479dabb1297263d49589
- 出典データセット
- uspto-grants-2011_12
- 特許番号
- US08080566B1
反応ノート
読み込み中…