Synthesis of New Oxindoles and Determination of Their Antibacterial Properties

Table 1

Synthesis of 3-(4-pyrazolyl)oxindoles 3.

Entry	R1	R2	R3	Yield (%)
3a	H	H	H	69
3b	H	Bn	H	62
3c	H	H	5-F	51
3d	H	Hexyl	H	96
3e	H	Bn	5-Cl	70
3f	H	Me	5-Cl	48
3g	H	Hexyl	5-Cl	66
3h	4-Cl	Bn	5-Cl	45
3i	4-F	Bn	5-F	48
3j	4-Cl	Hexyl	5-Cl	62
3k	3,5-di-Cl	Bn	5-Cl	51
3l	3,5-di-Cl	Hexyl	5-Cl	55
3m	3,5-di-Cl	Bn	5-F	52
3n	4-Cl	Bn	5,7-di-Cl	44
3o	3,5-di-Cl	Bn	5,7-di-Cl	47
3p	H	Bn	5,7-di-Cl	72