5-(Benzenesulfanyl)-thiazolidine-2,4-dione → 5-(Benzenesulfonyl)-thiazolidine-2,4-dione
反応式
C1C=CC(S[CH:8]2[S:14][C:12](=[O:13])[NH:11][C:9]2=[O:10])=CC=1.C[C:16]1[CH:21]=[CH:20][CH:19]=[C:18](SC2SC(=O)NC2=O)[CH:17]=1.O[O:31][S:32]([O-:34])=O.[K+]>CO.O>[C:16]1([S:32]([CH:8]2[S:14][C:12](=[O:13])[NH:11][C:9]2=[O:10])(=[O:34])=[O:31])[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1参加物
6
実験手順
A solution of 5-(benzenesulfanyl)-thiazolidine-2,4-dione, [(III), Example 6, 10.0 g, 41.8 mmol] in methanol (105 mL) was added to a mechanically stirred suspension of oxone (51.4 g, 83.6 mmol) in water (210 mL) at 0° C. The suspension was immediately warmed to room temperature. After 3.5 h, the reaction was diluted with water (1.5 L) and the solid was filtered. The solid was washed with water and dried in vacuo to provide the title compound as a white solid (8.31 g, 73%): mp 130°-133° C.: NMR (CDCL3): δ8.07 (s, 1H, NH), 7.98 (d, J=7.2 Hz, 2H, ArH) 7.78 (t, J=7.5 Hz, 1H, ArH), 7.67 (t, J=8.1 Hz, 2H, ArH), 5.44 (s, 1H CH); MS(EI): 225 (MI, 24%), 182 (18%), 153 (12%), 110 (100%).
後処理
- filtrationthe solid was filtered
- washThe solid was washed with water
- customdried in vacuo
出典と根拠
- ORDレコード
- ord-33404c03a5154e36984dc89f8a075a6c
- 出典データセット
- uspto-grants-1997_02
- 特許番号
- US05605918
反応ノート
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