反应详情

3.6 g of 4-(2-dimethylamino-ethylamino)-nitrobenzene (according to Gabbay et al., J. Am. Chem. Soc. 91, 5136 (1969)) are dissolved in 50 ml of methylene chloride and 5.0 ml of triethylamine are added. 1.3 ml of acetyl chloride are slowly added dropwise to this mixture at room temperature and the mixture is stirred for 2 hours at room temperature. After this time another 5.0 ml of triethylamine and 1.3 ml of acetylchloride are added and the mixture is refluxed for another 2 hours. The solvent is removed, the residue is taken up in ethyl acetate and the organic phase is extracted twice with water. After drying over MgSO4 the solvent is removed and the residue dried in vacuo.

1. temperaturethe mixture is refluxed for another 2 hours
2. customThe solvent is removed
3. extractionthe organic phase is extracted twice with water
4. dry with materialAfter drying over MgSO4 the solvent
5. customis removed
6. customthe residue dried in vacuo