помогите, пжл:
1) Keith Smith, Shifang Liu, Gamal A. El-Hiti
Regioselective Mononitration of Simple Aromatic Compounds under Mild Conditions in Ionic Liquids
Ind. Eng. Chem. Res., 2005, 44 (23), pp 8611–8615
- DOI:
http://dx.doi.org/10.1021/ie050047z
Regioselective Mononitration of Aromatic Compounds Using Keggin Heteropolyacid Anion Based Bronsted Acidic Ionic Salts
Ind. Eng. Chem. Res., 2011, 50 (19), pp 11440–11444
- DOI:
http://dx.doi.org/10.1021/ie201028d