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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 457752Generated: October 30, 2026

Pyridine → HCID 18440722, compound

https://huagongshe.com/reaction/457752

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantAcetyl chlorideHCID 6367—
ReactantHCID 18440685HCID 18440685—
CatalystWaterHCID 962—
SolventDichloromethaneHCID 6344—
ProductHCID 18440722HCID 18440722—

Reaction Steps

At room temperature, 17 μl (0.24 mmol) of acetyl chloride are added dropwise to a solution of 50 mg (0.12 mmol) of 5-chloro-N-{1,3-dioxo-2-[2-(4-piperidinyl)ethyl]-2,3-dihydro-1H-isoindol-4-yl}-2-thiophenecarboxamide and 0.1 ml of pyridine in 1 ml of absolute dichloromethane. After 1 h at room temperature, a few drops of water are added and the mixture is diluted with dichloromethane. The mixture is washed with saturated sodium bicarbonate solution, dried over magnesium sulfate and concentrated. The crude product is purified by chromatography on silica gel (dichloromethane/methanol 98:2).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07189738B2
Source datasetuspto-grants-2007_03
ORD IDord-56b6b8132c5f4a97aa765fd2c881010d
Source noteuspto-grants-2007_03