Research Article

An Efficient Sonochemical Synthesis of Novel Schiff’s Bases, Thiazolidine, and Pyrazolidine Incorporating 1,8-Naphthyridine Moiety and Their Cytotoxic Activity against HePG2 Cell Lines

Table 1

Synthesis of Schiff’s bases derivatives 4ae, 5a, 5b, and 6 both under ultrasonic irradiation and using the conventional method.

Compound Ultrasonic irradiationConventional
Time (min.)Yield %Time (h)Yield %

4a1598 197
4b3093291
4c3093 291
4d2096 294
4e3093392
5a4095693
5b4091888
61098196