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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2359593Generated: October 30, 2026

3-Cyclopentylpropionyl chloride → HCID 44819651, compound

https://huagongshe.com/reaction/2359593

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Cyclopentylpropionyl chlorideHCID 66039—
ReactantRibociclibHCID 44631912—
ProductHCID 44819651HCID 4481965144.4%

Reaction Steps

Following General Procedure G, 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (100 mg, 0.230 mmol) and 3-cyclopentyl propionyl chloride (39 mL, 0.690 mmol) gave 7-cyclopentyl-2-{5-[4-(3-cyclopentyl-propionyl)-piperazin-1-yl]-pyridin-2-ylamino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (57 mg, 44%). MS (ESI) m/z 559.4 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08685980B2
Source datasetuspto-grants-2014_04
ORD IDord-a39b4b5663154693a9701aaad4bb05d1
Source noteuspto-grants-2014_04