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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1627113Generated: October 29, 2026

Cyclopentylamine → HCID 28165435, compound

https://huagongshe.com/reaction/1627113

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentylamineHCID 2906—
ReactantTriethylamineHCID 8471—
Reactant(2R)-2-(((tert-butoxy)carbonyl)amino)-3-methylbutanoic acidHCID 637605—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
SolventDichloromethaneHCID 6344—
ProductHCID 28165435HCID 2816543594%

Reaction Steps

To a mixture of (R)-2-(tert-butoxycarbonylamino)-3-methylbutanoic acid (0.5 g, 2.301 mmol), HATU (1.05 g, 2.76 mmol) and cyclopentanamine (0.455 mL, 4.60 mmol) in DCM (20 mL) was added Et3N (0.642 mL, 4.60 mmol). The reaction mixture was stirred at room temperature for 5 h, washed with saturated aqueous NaHCO3 and brine, dried over MgSO4, and concentrated. Purification by silica column chromatography (MeOH/DCM, 0-10%) afforded the title compound (0.61 g, 94%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08785429B2
Source datasetuspto-grants-2014_07
ORD IDord-047ef8f0f3044a6dac7e982b18689e75
Source noteuspto-grants-2014_07