1.
Mol Divers
; 13(4): 545-9, 2009 Nov.
Artigo
em Inglês
| MEDLINE
| ID: mdl-19301139
RESUMO
Chalcones on condensation with malononitrile and ammonium acetate in the presence of ionic liquid ethylammonium nitrate affords the corresponding 2-amino-4, 6-diphenylpyridine-3-carbonitrile in excellent yield. The ionic liquid is recycled and reused several times.