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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1250438Generated: October 31, 2026

Methanol → HCID 18326242, compound

https://huagongshe.com/reaction/1250438

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantTriethylamineHCID 8471—
ReactantHCID 18326232HCID 18326232—
ReactantHCID 178418416HCID 178418416—
CatalystHCID 178418476HCID 178418476—
ProductHCID 18326242HCID 18326242—

Reaction Conditions

Temperature100 °C

Reaction Steps

5.2 g of 3-(4-chloro-2-fluoro-5-iodophenyl)-4-methyl-5-cyano-1-methyl-[1H]-pyrazole (Example H8), 60 ml of methanol, 2.8 g of triethylamine and 0.4 g of bis(triphenylphosphine)palladium(II) dichloride (PdCl2(PPh3)2) are placed into a 100 ml pressurized container and stirred for 16 hours at a temperature of 100° C. and a carbon monoxide pressure of 10 megapascal (Mpa). The solvent is subsequently evaporated and the crude product which remains is purified over a silica gel column (eluent: ethyl acetate/hexane 1/5). This gives 3.1 g (69.3% of theory) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06339046B1
Source datasetuspto-grants-2002_01
ORD IDord-aad0531215d84836ba9ef4c1ca22ba7a
Source noteuspto-grants-2002_01