Ultrasonic Irradiation: Synthesis, Characterization, and Preliminary Antimicrobial Activity of Novel Series of 4,6-Disubstituted-1,3,5-triazine Containing Hydrazone Derivatives

Table 1

Yield, reaction time, and melting point of 7a–o derivativesusing conventional method and ultrasonic irradiation.

Compd. number	Method A; Conventional method		Method B; Ultrasonic irradiation		Mp (°C)
	Yield (%)	Time (h)	Yield (%)	Time (min)
7a	74	4-5	93	30	235–237
7b	71	4-5	92	30	215–217
7c	70	4-5	93	30	204–206
7d	68	4-5	93	30	188–190
7e	75	4-5	95	30	220–222
7f	75	4-5	93	60	225–227
7g	75	4-5	93	60	227–229
7h	71	4-5	92	60	230–232
7i	71	4-5	92	30	212–214
7j	75	4-5	95	30	225–227
7k	70	4-5	94	30	233–235
7l	72	4-5	94	60	236–238
7m	74	4-5	96	60	213–215
7n	70	4-5	92	60	228–230
7o	71	4-5	90	60	232–234