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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1930580Generated: October 27, 2026

1-Aminocyclopentanemethanol → 1-(4-(1-(hydroxymethyl)cyclopentylamino)-2-(4-(oxazol-5-yl)phenylamino)-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)ethanone

https://huagongshe.com/reaction/1930580

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-AminocyclopentanemethanolHCID 66307—
Reactant6-Acetyl-2-(4-(oxazol-5-yl)phenylamino)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl trifluoromethanesulfonateHCID 59333760—
SolventDimethyl SulfoxideHCID 679—
Product1-(4-(1-(hydroxymethyl)cyclopentylamino)-2-(4-(oxazol-5-yl)phenylamino)-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)ethanoneHCID 4619848227.1%

Reaction Steps

6-Acetyl-2-(4-(oxazol-5-yl)phenylamino)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl trifluoromethanesulfonate (35 mg, 0.07 mmol, Example 26a) in DMSO (1 mL) dispensed in a library plate. (1-aminocyclopentyl)methanol (8.06 mg, 0.07 mmol) was added and it was left to shake overnight at 80° C. before filtered and purified by preparative HPLC to yield 1-(4-(1-(hydroxymethyl)cyclopentylamino)-2-(4-(oxazol-5-yl)phenylamino)-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)ethanone (8.5 mg, 26%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08188101B2
Source datasetuspto-grants-2012_05
ORD IDord-38a6a1f8d10542018b0f214d1813f579
Source noteuspto-grants-2012_05