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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1959439Generated: November 1, 2026

Hydrazine → HCID 66745493, compound

https://huagongshe.com/reaction/1959439

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazineHCID 9321—
ReactantHCID 66745418HCID 66745418—
SolventDimethyl SulfoxideHCID 679—
SolventEthanolHCID 702—
ProductHCID 66745493HCID 6674549322.3%

Reaction Conditions

Temperature80 °C

Reaction Steps

To a suspension of 2-(2-(4-(5-amino-6-(1H-benzo[d]imidazol-2-yl)pyrazin-2-yl)-5,6-dihydropyridin-1(2H)-ylsulfonyl)ethyl)isoindoline-1,3-dione (24 mg, 0.045 mmol) in ethanol (240 μL) was added hydrazine (1.5 mg, 1.4 μL, 0.045 mmol), and the reaction mixture was heated at 80° C. for 2 h. The reaction mixture was cooled to room temperature and was dissolved in 0.5 ml of DMSO and purified via reverse phase HPLC using 1 to 99% MeOH in H2O 2O (0.05% HCl as modifier) to obtain 5-(1-(2-aminoethylsulfonyl)-1,2,3,6-tetrahydropyridin-4-yl)-3-(1H-benzo[d]imidazol-2-yl)pyrazin-2-amine (4 mg, 18%). 1HNMR (400 MHz, MeOD) δ 8.59 (s, 1H), 8.12-8.03 (m, 2H), 7.78 (dd, J=6.1, 3.2 Hz, 2H), 7.16 (s, 1H), 4.43 (d, J=2.1 Hz, 2H), 3.95 (t, J=5.6 Hz, 2H), 3.81-3.67 (m, 4H), 3.12 (s, 2H). LC/MS m/z 400.0 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08410112B2
Source datasetuspto-grants-2013_04
ORD IDord-5ecd7543b83d4a038aa2d1933293138d
Source noteuspto-grants-2013_04