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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1281901Generated: October 30, 2026

Hydrochloric Acid → HCID 18423355, compound

https://huagongshe.com/reaction/1281901

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3-(Methylthio)-2-pyridinecarbonitrileHCID 18423357—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
ProductHCID 18423355HCID 18423355—

Reaction Steps

A stirred solution of 659 mg (4.39 mmol) of 2-cyano-3-methylthiopyridine 3-1 in 25 mL of methanol and 5 mL of 6M aq. HCl was hydrogenated over 659 mg of 10% palladium on carbon at 55 psi for 5 h. The catalyst was removed by filtration and the solvents concentrated at reduced pressure. The resulting material was diluted with methanol and concentrated (2×) to give 3-2 as an off-white solid: 1H NMR (CD3OD): δ 2.58 (s, 3H), 4.28 (s, 2H), 7.43 (m, 1H), 7.86 (dd, J 1.3 and 8.1 Hz, 1H), 8.43 (dd, J=1.3 and 4.8 Hz, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06455532B1
Source datasetuspto-grants-2002_09
ORD IDord-06826d6056e44a4b9785b1140d8905bd
Source noteuspto-grants-2002_09