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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 592888Generated: October 25, 2026

2-Methylpyrimidin-4-amine → 5-Bromo-1-methyl-3-(2-methylpyrimidin-4-ylamino)pyridin-2(1H)-one

https://huagongshe.com/reaction/592888

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Methylpyrimidin-4-amineHCID 295763—
Reactant3,5-Dibromo-1-methylpyridin-2(1H)-oneHCID 3614350—
Product5-Bromo-1-methyl-3-(2-methylpyrimidin-4-ylamino)pyridin-2(1H)-oneHCID 6809688343.4%

Reaction Steps

Following the procedures described in Example 196, reaction of 2-methylpyrimidin-4-amine (2.0 g, 18.3 mmol) and 3,5-dibromo-1-methylpyridin-2(1H)-one (9.6 g, 36 mmol) afforded 213a as a yellow solid (2.3 g, 43.4%). MS: [M+H]+ 295. 1H NMR (500 MHz, DMSO-d6) δ 9.20 (s, 1H), 8.78 (s, 1H), 8.26 (d, J=4.5 Hz, 1H), 7.68 (s, 1H), 7.18 (d, J=4.5 Hz, 1H), 3.59 (s, 3H), 2.52 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09238655B2
Source datasetuspto-grants-2016_01
ORD IDord-33df10ea6a6843c0a5dabbb2e9cee633
Source noteuspto-grants-2016_01