| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 | 
|---|---|---|---|---|
| 6,8-二溴-3-(2-溴乙酰基)香豆素 | 6,8-dibromo-3-(2-bromoacetyl)-2H-chromen-2-one | 106578-20-5 | C11H5Br3O3 | 424.871 | 
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 | 
|---|---|---|---|---|
| —— | (1Z)-1-(1-(6,8-dibromo-2-oxo-2H-chromen-3-yl)-2-tosylethylidene)semicarbazide | 1227734-09-9 | C19H15Br2N3O5S | 557.219 | 
| —— | 6,8-dibromo-3-(2-tosylethynyl)-2H-chromen-2-one | 1321621-74-2 | C18H10Br2O4S | 482.149 | 
A novel efficient method for the coupling of sulfinic acid salts and α-halo ketones is described. A variety of heteryl β-ketosulfones have been formed in an excellent yields at room temperature under solvent-free conditions.