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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1642950Generated: October 31, 2026

5-(4-Ethylphenyl)-1-[(4-hydroxypiperidin-1-yl)carbonyl]piperidine-3-carboxylic acid → [3-(4-Ethylphenyl)-5-(3-phenyl-1,2,4-oxadiazol-5-yl)piperidin-1-yl] (4-hydroxypiperidin-1-yl)methanone

https://huagongshe.com/reaction/1642950

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(4-Ethylphenyl)-1-[(4-hydroxypiperidin-1-yl)carbonyl]piperidine-3-carboxylic acidHCID 58002641—
Reactant1-Hydroxybenzene-carboximidamideHCID 66755703—
Product[3-(4-Ethylphenyl)-5-(3-phenyl-1,2,4-oxadiazol-5-yl)piperidin-1-yl] (4-hydroxypiperidin-1-yl)methanoneHCID 58002556—

Reaction Steps

80 mg (0.22 mmol) of 5-(4-ethylphenyl)-1-[(4-hydroxypiperidin-1-yl)carbonyl]piperidine-3-carboxylic acid (Example 59A) and 45 mg (0.33 mmol, 1.5 eq.) of 1-hydroxybenzene-carboximidamide were reacted according to the General Method 2. Yield: 76 mg (74% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08119663B2
Source datasetuspto-grants-2012_02
ORD IDord-2de1f0c407624b7485e735d8ab3dd4c0
Source noteuspto-grants-2012_02