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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1054983Generated: November 1, 2026

2-((1-ethyl-5-(pyrrolidin-1-yl)-1H-1,2,4-triazol-3-yl)ethynyl)-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine → 2-(2-(1-ethyl-5-(pyrrolidin-1-yl)-1H-1,2,4-triazol-3-yl)ethyl)-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine

https://huagongshe.com/reaction/1054983

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-((1-ethyl-5-(pyrrolidin-1-yl)-1H-1,2,4-triazol-3-yl)ethynyl)-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazineHCID 72705090—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product2-(2-(1-ethyl-5-(pyrrolidin-1-yl)-1H-1,2,4-triazol-3-yl)ethyl)-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazineHCID 9002667696.5%

Reaction Conditions

Temperature25 °C

Reaction Steps

A mixture of 2-((1-ethyl-5-(pyrrolidin-1-yl)-1H-1,2,4-triazol-3-yl)ethynyl)-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine (43 mg, 128 μmol, Eq: 1.00) and palladium on carbon 10% (13.6 mg, 12.8 μmol, Eq: 0.1) in methanol (10 ml) was stirred for 20 hours at 25° C. under hydrogen atmosphere. The catalyst was filtered off, the filtrate was evaporated affording 2-(2-(1-ethyl-5-(pyrrolidin-1-yl)-1H-1,2,4-triazol-3-yl)ethyl)-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine (42 mg, 96.5%) as an light yellow oil. MS: m/z=341.5 (M+H+)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09394311B2
Source datasetuspto-grants-2016_07
ORD IDord-9ff37a0cbd3c45498868a71b9e14a07b
Source noteuspto-grants-2016_07