Figure 4.
Synthesis of 4-((4-methylpiperazin-1-yl) methyl)benzaldehyde (4); (a)Dibenzoyl peroxide, NBS, CCl4, reflux, 24 h; (b) 4-methylpiperazine, CHCl3, 24 h; (c) Raney Nickel alloy, formic acid 75%, reflux, 2 h
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