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                                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。 
 
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                                YOSHIDA, HIROSHI;SOGAME, SHINGO;TAKISHITA, YASUNORI;OGATA, TSUYOSHI, BULL. CHEM. SOC. JAP., 1983, 56, N 8, 2438-2441 
                                    
                                        作者:YOSHIDA, HIROSHI、SOGAME, SHINGO、TAKISHITA, YASUNORI、OGATA, TSUYOSHI                                     
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                                YOSHIDA, HIROSHI;SOGAME, SHINGO;BANDO, SHOICHI;NAKAJIMA, SHOSUKE;OGATA, T+, BULL. CHEM. SOC. JAP., 1983, 56, N 12, 3849-3850 
                                    
                                        作者:YOSHIDA, HIROSHI、SOGAME, SHINGO、BANDO, SHOICHI、NAKAJIMA, SHOSUKE、OGATA, T+                                     
                                        DOI:——
                                     
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                                YOSHIDA, HIROSHI;BANDO, SHOICHI;NAKAJIMA, SHOSUKE;OGATA, TSUYOSHI;MATSUMO+, BULL. CHEM. SOC. JAP., 1984, 57, N 9, 2677-2678 
                                    
                                        作者:YOSHIDA, HIROSHI、BANDO, SHOICHI、NAKAJIMA, SHOSUKE、OGATA, TSUYOSHI、MATSUMO+                                     
                                        DOI:——
                                     
                                        日期:——