反应 #3014848
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openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US04734510
反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 4-Acetylamino-N-[(1-ethyl-2-pyrrolidinyl)methyl]benzenesulphonamide (6.5 g, 0.02 mole) was dissolved in 50 ml of 2N aqueous sodium hydroxide. The solution was heated to reflux, with stirring, for 11/2 hours. The solution was cooled and the pH was adjusted to about 8 with hydrochloric acid (2N). The mixture was extracted with chloroform (3×50 ml) and the combined extracts were dried (MgSO4) and evaporated under reduced pressure to give a solid (4.9 g). The solid was purified by column chromatography (basic Al2O3 : 1% ethanol/chloroform), followed by recrystallisation from water, to give the pure title compound m.p. 109°-110° C. The solution was heated to reflux The solution was cooled The mixture was extracted with chloroform (3×50 ml) the combined extracts were dried (MgSO4) evaporated under reduced pressure
来源 ID: ord-38fbfa468bde41d6aef1ad496e08e4c4