Table 1.

Synthesis of 2,4,6-triarylpyridines 4a–k by using LPSF magnetic nanocatalyst.

Entry	R1	R2	Product	Time (min)	Yielda (%)	Mp (°C)
						Observed	Literature
1	H	H	4a	60	88	134–137	135–13764
2	H	4-Cl	4b	60	94	121–123	123–12465
3	H	4-NO2	4c	60	91	193–194	196–19864
4	H	4-OH	4d	60	88	199–200	196–19865
5	H	4-Me	4e	60	83	117–120	119–12056
6	H	4-Br	4f	60	90	162–163	165–16665
7	H	4-OMe	4g	60	83	98–100	97–9866
8	4-Cl	H	4h	60	84	180–181	175–17856
9	4-Cl	4-OMe	4i	60	88	188–189	190–19167
10	4-Me	4-Cl	4j	60	89	162–164	159–16064
11	H	furan-2-carbaldehyde	4k	60	75	110–112	112–11568

^aIsolated yield.