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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1412121Generated: November 1, 2026

3,5-Dibromo-1-methylpyridin-2(1H)-one → 5-Bromo-3-(5-(methoxymethyl)-1-methyl-1H-pyrazol-3-ylamino)-1-methylpyridin-2(1H)-one

https://huagongshe.com/reaction/1412121

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-Dibromo-1-methylpyridin-2(1H)-oneHCID 3614350—
Reactant3-(6,6-Dimethyl-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-ylamino)-1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-oneHCID 86684605—
Product5-Bromo-3-(5-(methoxymethyl)-1-methyl-1H-pyrazol-3-ylamino)-1-methylpyridin-2(1H)-oneHCID 5804410271.3%

Reaction Steps

Following the procedure in Example 335a, and starting with 335b (1.7 g, 12 mmol) and 3,5-dibromo-1-methylpyridin-2(1H)-one (3.2 g, 12 mmol) afforded 336c as a yellow solid (2.8 g, 71%). MS-ESI: [M+H]+ 327. 1H NMR (500 MHz, CDCl3) δ 7.86 (d, J=2.5 Hz, 1H), 7.38 (s, 1H), 6.88 (d, J=2.5 Hz, 1H), 5.86 (s, 1H), 4.41 (s, 2H), 3.82 (s, 3H), 3.58 (s, 3H), 3.36 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08921353B2
Source datasetuspto-grants-2014_12
ORD IDord-b77f9e2915cc4b9bb731d056e4f9776e
Source noteuspto-grants-2014_12