反应详情

To a suspension of (2R)-1,2-propanediol (1.9 mL) in toluene (20 mL) was added triethylamine (8.3 mL) and 4-dimethylaminopyridine (32 mg). The mixture was ice-cooled and 1,1′,1″-(chloromethylidyne)tris-benzene (6.6 g) was added and the mixture stirred at ambient temperature for 20 h. The reaction mixture was diluted with toluene then extracted with ammonium chloride solution (×2), then brine (×1) and the organic layer was dried (MgSO4), filtered and evaporated. The resulting oil was triturated with iso-hexane to give subtitle compound as a white solid. Yield: 4 g

1. temperaturecooled
2. extractionthen extracted with ammonium chloride solution (×2)
3. dry with materialbrine (×1) and the organic layer was dried (MgSO4)
4. filtrationfiltered
5. customevaporated
6. customThe resulting oil was triturated with iso-hexane