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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 626785Generated: October 25, 2026

Ethanolamine → 2-((6-Amino-2-methylpyrimidin-4-yl)amino)ethanol

https://huagongshe.com/reaction/626785

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolamineHCID 700—
ReactantMethanolHCID 887—
Reactant6-Chloro-2-methylpyrimidin-4-amineHCID 286754—
SolventEthyl AcetateHCID 8857—
Product2-((6-Amino-2-methylpyrimidin-4-yl)amino)ethanolHCID 6967118540%

Reaction Conditions

Temperature250 °C

Reaction Steps

A mixture of 6-chloro-2-methylpyrimidin-4-ylamine (717 mg, 5.0 mmol) and ethanolamine (0.602 mL, 10.0 mmol) were heated at 250° C. in a microwave for 30 seconds. After cooling, the residue was dissolved in ethyl acetate, containing a small amount of methanol and was washed with brine. The organic layer was dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure to afford the title compound as a white solid (334 mg, 40% yield). 1H NMR (400 MHz, DMSO-d6): δ 6.45 (br s, 1H), 5.98 (br s, 2H), 5.25 (s, 1H), 3.47 (t, J=6.0 Hz, 2H), 3.23-3.14 (m, 2H), 2.12 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09309240B2
Source datasetuspto-grants-2016_04
ORD IDord-6f4aad3310c7482bb8152eb6608ccce9
Source noteuspto-grants-2016_04