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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 500173Generated: October 27, 2026

Tert-butyl 4-[5-(2-aminopyrimidin-5-yl)pyridin-2-yl]piperazine-1-carboxylate → Tert-butyl 4-{5-[3-(1-quinolin-6-ylcyclopropyl)imidazo[1,2-a]pyrimidin-6-yl]pyridin-2-yl}piperazine-1-carboxylate

https://huagongshe.com/reaction/500173

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTert-butyl 4-[5-(2-aminopyrimidin-5-yl)pyridin-2-yl]piperazine-1-carboxylateHCID 67224850—
ReactantChloro(1-quinolin-6-ylcyclopropyl)acetaldehydeHCID 86621504—
SolventMethanolHCID 887—
SolventIsopropanolHCID 3776—
ProductTert-butyl 4-{5-[3-(1-quinolin-6-ylcyclopropyl)imidazo[1,2-a]pyrimidin-6-yl]pyridin-2-yl}piperazine-1-carboxylateHCID 6722451343.4%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of tert-butyl 4-[5-(2-aminopyrimidin-5-yl)pyridin-2-yl]piperazine-1-carboxylate (0.120 g, 0.337 mmol) and chloro(1-quinolin-6-ylcyclopropyl)acetaldehyde (0.0827 g, 0.337 mmol) in isopropyl alcohol (2.0 mL) was heated at 100° C. overnight. The mixture was diluted with methanol and purified by RP-HPLC (pH 10.0) to give the desired product (80 mg, 43.4%). LCMS: (M+H)=548.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07767675B2
Source datasetuspto-grants-2010_08
ORD IDord-1877e47b1a354e5f90a16766ab6cd60e
Source noteuspto-grants-2010_08