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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1642889Generated: October 31, 2026

N'-Hydroxy-2-pyrazinecarboximidamide → 4-{[3-(4-Ethylphenyl)-5-(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)piperidin-1-yl]carbonyl}morpholine

https://huagongshe.com/reaction/1642889

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN'-Hydroxy-2-pyrazinecarboximidamideHCID 2737233—
Reactant5-(4-Ethylphenyl)-1-(morpholin-4-ylcarbonyl)piperidine-3-carboxylic acidHCID 58002225—
Product4-{[3-(4-Ethylphenyl)-5-(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)piperidin-1-yl]carbonyl}morpholineHCID 58002373—

Reaction Steps

69 mg (0.20 mmol) of 5-(4-ethylphenyl)-1-(morpholin-4-ylcarbonyl)piperidine-3-carboxylic acid (Example 38A) and 30 mg (0.22 mmol, 1.1 eq.) of N′-hydroxypyrazine-2-carboximidamide were reacted according to the General Method 1. Yield: 45 mg (50% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08119663B2
Source datasetuspto-grants-2012_02
ORD IDord-4d7bab213f3545c188610b52f5f3b603
Source noteuspto-grants-2012_02