Table 1.

Procedure for the synthesis of the target compound 3a–m.

#	R	2a–m	Ar	Product 3a–m	Yield, %
1	H	2a	C6H5	3a	89
2	Cl	2b	p-CH3C6H4	3b	33
3	H	2c	p-ClC6H4	3c	64
4	H	2d	2,4-Cl2C6H3	3d	60
5	H	2e	p-BrC6H4	3e	56
6	Cl	2f	m-NO2C6H4	3f	62
7	Cl	2g	p-MeOC6H4	3g	72
8	Cl	2h	β-Naphthalene	3h	58
9	Cl	2i	2-Thiophene	3i	60
10	Cl	2j	2-Furan	3j	52
11	Cl	2k	m-BrC6H4	3k	44
12	Cl	2l	p-CF3C6H4	3l	37
13	H	2m	p-FC6H4	3m	85