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. 2020 Sep 21;25(18):4321. doi: 10.3390/molecules25184321

Scheme 22.

Scheme 22

Synthesis of new derivatives of 7-((4-benzylpiperazin-1-yl)methyl)-8-hydroxyquinolines. Reagents (a) paraformaldehyde, ethanol; (b) various benzyl chlorides, DIPEA.