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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 878713Generated: October 24, 2026

Water → 2-[1-(4-Cyanopyridin-2-yl)pyrazol-4-yl]ethyl methanesulfonate

https://huagongshe.com/en/reaction/878713

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTriethylamineHCID 8471—
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant2-[4-(2-Hydroxyethyl)pyrazol-1-yl]pyridine-4-carbonitrileHCID 86725663—
SolventDichloromethaneHCID 6344—
Product2-[1-(4-Cyanopyridin-2-yl)pyrazol-4-yl]ethyl methanesulfonateHCID 8672566587%

Reaction Steps

To a mixture of 2-[4-(2-hydroxyethyl)pyrazol-1-yl]pyridine-4-carbonitrile (700 mg, 3.3 mmol), Et3N (670 mg, 6.6 mmol) in DCM (15 mL) was added MeSO2Cl (410 mg, 3.6 mmoL) at 0° C., the mixture was then stirred for 2 hours at room temperature, water was added and extracted with DCM and concentrated give the title compound (830 mg, 87%). [M+H] Calc'd for C12H12N4O3S, 293; Found, 293.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08987461B2
Source datasetuspto-grants-2015_03
ORD IDord-9163bf5970ff46958678ead4f7f6e0a3
Source noteuspto-grants-2015_03