5-Chloro-2-hydroxy-3-methylbenzaldehyde → 6-[4-(5-Chloro-2-hydroxy-3-methyl-benzyl)-piperazin-1-yl]-3H-pyrimidin-4-one

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Reaction Steps

6-[4-(5-Chloro-2-hydroxy-3-methyl-benzyl)-piperazin-1-yl]-3H-pyrimidin-4-one was prepared using Procedure B from 6-piperazin-1-yl-3H-pyrimidin-4-one (Intermediate 4) and 5-chloro-2-hydroxy-3-methylbenzaldehyde (available from Alfa Aesar, Ward Hill, Mass., USA). 1H NMR (400 MHz, CDCl3) δ 2.19 (s, 3H), 2.58-2.63 (m, 4H), 3.48-3.67 (m, 6H), 5.40 (s, 1H), 6.80-6.81 (m, 1H), 7.03-7.04 (m, 1H), 7.85 (s, 1H), 10.60 (br s, 1H), 12.45 (br s, 1H). Mass spectrum (ES) MH+=335.

Provenance & Evidence