Preparation of 5-Substituted-2-pyrrolin-4-ones from<i>N</i>-(4-Oxo-2-pyrrolin-5-yl)sulfoximines
作者:Hiroshi Yoshida、Shoichi Bando、Shosuke Nakajima、Tsuyoshi Ogata、Kiyoshi Matsumoto
DOI:10.1246/bcsj.57.2677
日期:1984.9
In trifluoroacetic acid, immonium cations were generated from S,S-dimethylsulfoximines in which the pyrrolinone ring was substituted. Nucleophiles such as alcohols, thiocyanic acid, thiols, or acetylacetone reacted with the immonium salts to yield 5-substituted 2-pyrrolin-4-ones.
在三氟乙酸中,由 S,S-二甲基亚磺酰亚胺生成铵阳离子,其中的吡咯啉酮环被取代。亲核物(如醇、硫氰酸、硫醇或乙酰丙酮)与铵盐反应生成 5-取代的 2-吡咯啉-4-酮。