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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2382814Generated: November 3, 2026

Cyclopropylamine → N-[5-(cyclopropylamino)[1,2,4]triazolo[1,5-a]pyridin-2-yl]nicotinamide

https://huagongshe.com/reaction/2382814

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopropylamineHCID 69828—
ReactantN-(5-bromo[1,2,4]triazolo[1,5-a]pyridin-2-yl)nicotinamideHCID 25212514—
SolventWaterHCID 962—
ProductN-[5-(cyclopropylamino)[1,2,4]triazolo[1,5-a]pyridin-2-yl]nicotinamideHCID 59437438—

Reaction Steps

N-(5-bromo[1,2,4]triazolo[1,5-a]pyridin-2-yl)nicotinamide ((B2), 50 mg; 0.16 mmol; 1.0 eq.) in cyclopropylamine (1 mL) was heated at 80° C. overnight. The reaction mixture was diluted with H2O and extracted with EtOAc. Combined organic phases were washed with brine, dried over magnesium sulfate, filtered and concentrated. The title compound was obtained by recrystallization in EtOAc/c-Hex as a white powder (16.60 mg; 35%). HPLC, Rt: 1.77 min. (purity 98.3%). LC/MS, M+(ESI): 295.4, M−(ESI): 293.4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08263595B2
Source datasetuspto-grants-2012_09
ORD IDord-8c3705aac10f499993efd8c01c83d8b7
Source noteuspto-grants-2012_09