Synthesis of 4-hydroxyquinoline-2,3-dicarboxylates using N-(2-aminobenzoyl)benzotriazoles
作者:İlhami Çelik、Fatoş Yıldız
DOI:10.1016/j.tet.2017.05.058
日期:2017.7
A method for the preparation of 4-hydroxyquinoline-2,3-dicarboxylates has been developed by aza-Michael addition reaction of N-(2-aminobenzoyl)benzotriazoles with dimethyl acetylenedicarboxylate. 4-Hydroxyquinoline-2,3-dicarboxylates were obtained in moderate to good yields (53–87%).
A Simple, Mild, and Practical Method for the Esterification and Thioesterification of Anthranilic Acid Utilizing N-(2-Aminobenzoyl)benzotriazole
作者:İlhami Çelik、Şule Kökten
DOI:10.1055/s-0033-1339469
日期:——
A convenient and efficient method for the preparation of anthranilic esters and anthranilic thioesters has been developed by the treatment of N-(2-aminobenzoyl)benzotriazoles with alcohols and thiols in the presence of 4-(dimethylamino)pyridine (DMAP).