Table 1.

Fluoro-coumarin-substituted pyrazole-derived hydrazone derivatives. HRMS: high resolution mass spectrometry, Ph: phenyl, and Bn: benzyl.

SN	R	HRMS (M + H)exp+	Yield (%)
5		469.1298	73
6		483.1466	77
7		545.1613	84
8		559.1768	82
9		483.1455	89
10		497.1609	79
11		487.1198	81
12		503.0902, 505.0905	85
13		547.0400, 549.0394	78
14		505.1110	75
15		505.1106	84
16		537.0512, 539.0482	77
17		521.0818, 523.0793	80
18		521.0806, 523.0783	95
19		537.1177	73
20		494.1252	88
21		514.115	89
22		421.1298	79