Three component reaction of 2-hydroxy 1,4-naphthoquinones, aldehydes, and aminopyrazoles in the presence of a catalytic amount ofl-proline has been described for the synthesis of a series of 2H-benzo[g]pyrazolo[3,4-b]quinoline-5,10(4H,11H)-dione derivatives.
2-羟基
1,4-萘醌,醛和
氨基
吡唑在催化量的
L-脯氨酸存在下进行三组分反应,用于合成一系列2H-苯并[g]
吡唑并[3,4-b]
喹啉-5,10(4H,11H)-二酮衍
生物。