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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1993456Generated: October 25, 2026

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

https://huagongshe.com/reaction/1993456

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-2-hydroxy-3-methoxybenzaldehydeHCID 5151086—
Reactant6-piperazin-1-yl-3H-pyrimidin-4-oneHCID 136102540—
Product6-[4-(5-Chloro-2-hydroxy-3-methoxy-benzyl)-piperazin-1-yl]-3H-pyrimidin-4-oneHCID 136102569—

Reaction Steps

6-[4-(5-Chloro-2-hydroxy-3-methoxy-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-methoxybenzaldehyde (available from Aldrich). 1H NMR (400 MHz, CDCl3) δ 2.50-2.55 (m, 4H), 3.60-3.66 (m, 4H), 3.70 (s, 2H), 3.88 (s, 3H), 5.39 (s, 1H), 6.61-6.62 (m, 1H), 6.80-6.81 (m, 1H), 7.84 (s, 1H), 12.40 (br s, 1H). Mass spectrum (ES) MH+=351.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07652013B2
Source datasetuspto-grants-2010_01
ORD IDord-68a94e5bf4c749fa8a3fa55daf1ae8f0
Source noteuspto-grants-2010_01