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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2249525Generated: November 3, 2026

3-Pyrroline → HCID 136354828, compound

https://huagongshe.com/reaction/2249525

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-PyrrolineHCID 66059—
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
ReactantHCID 136354821HCID 136354821—
SolventDimethylacetamideHCID 31374—
ProductHCID 136354828HCID 13635482864.2%

Reaction Steps

To a solution of 4-[5-amino-4-(2,3-dichloro-phenyl)-4H-[1,2,4]triazol-3-yl]-1H-pyrrole-2-carboxylic acid (10 mg, 0.03 mmol) in DMA (1 mL) was added CDI (6 mg, 0.04 mmol). The solution was stirred at RT for 30 min before the addition of 2,5-dihydro-1H-pyrrole (6 mg, 0.09 mmol). The reaction mixture was stirred at RT for another 60 min and purified by Gilson HPLC directly to afford a white solid (7.5 mg, 64%). MS (ES+): m/e=389.2 (M+H); LC: 2.65 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07314885B2
Source datasetuspto-grants-2008_01
ORD IDord-4a5369aa68854e8393fd78ace7e559e0
Source noteuspto-grants-2008_01