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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1186563Generated: October 30, 2026

HCID 68226974, compound → N-{3-[6-(4-chloro-benzylamino)-pyridin-2-yl]-imidazo[1,2-a]pyrazin-8-yl}-cyclohexane-1,4-diamine

https://huagongshe.com/reaction/1186563

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 68226974HCID 68226974—
SolventHydrochloric AcidHCID 313—
SolventEthanolHCID 702—
ProductN-{3-[6-(4-chloro-benzylamino)-pyridin-2-yl]-imidazo[1,2-a]pyrazin-8-yl}-cyclohexane-1,4-diamineHCID 66546701—

Reaction Steps

A mixture of (4-{3-[6-(4-chloro-benzylamino)-pyridin-2-yl]-imidazo[1,2-a]pyrazin-8-ylamino}-cyclohexyl)-carbamic acid tert-butyl ester (214 mg, 0.39 mmol) in ethanol (4 mL) and concentrated HCl (4 mL) was stirred at room temperature overnight. The reaction mixture was then concentrated under reduced pressure. The residue was purified by preparative-HPLC to give N-{3-[6-(4-chloro-benzylamino)-pyridin-2-yl]-imidazo[1,2-a]pyrazin-8-yl}-cyclohexane-1,4-diamine; hydrochloride. (Yield 80 mg). 1HNMR (300 MHz, CD3OD): δ 8.22 (d, 1H, J=5.7 Hz), 8.19 (s, 1H), 7.89 (t, 1H, J=8.7 Hz), 7.46-7.39 (m, 4H), 7.23 (d, 1H, J=6.9 Hz), 7.17 (d, 1H, J=5.7 Hz), 7.02 (d, 1H, J=8.7 Hz), 4.70 (s, 2H), 4.04 (brs, 1H), 3.25 (brs, 1H), 2.23 (brs, 4H), 1.81-1.71 (m, 4H). LC-MS: [M+H]+ 448.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08673905B2
Source datasetuspto-grants-2014_03
ORD IDord-7b1048ce326743dd8c92e965e2e11cf4
Source noteuspto-grants-2014_03