S.no	Ar	Method A		Method B		Method C
S.no	Ar	Time (min)	Yield (%)^a	Time (min)	Yield (%)^a	Time (Sec)	Yield (%)^a
4a		30	87	18	88	120	84
4b		32	85	16	84	110	86
4c		34	84	14	86	100	88
4d		30	87	16	90	160	85
4e		28	88	18	90	150	86
4f		33	89	19	92	140	90
4g		35	92	20	94	175	90
4h	C₆H₅	35	92	16	95	90	95
4i	4-CH₃C₆H₄	35	90	15	93	85	93
4j	3-BrC₆H₄	45	88	19	90	100	90
4k	4-ClC₆H₄	50	92	17	95	100	95
4l	4-OCH₃C₆H₄	30	96	14	95	80	95
4m	4-NO₂C₆H₄	55	94	19	91	105	91