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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 336310Generated: October 26, 2026

Oxalyl chloride → 5-[3-(5-Fluoro-2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-2-(2-methylpiperidin-1-yl)benzonitrile

https://huagongshe.com/reaction/336310

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
ReactantDiisopropylethylamineHCID 81531—
Reactant3-Cyano-4-(2-methylpiperidin-1-yl)benzoic acidHCID 59495701—
Reactant5-fluoro-N'-hydroxy-2-methoxybenzenecarboximidamideHCID 72336823—
Product5-[3-(5-Fluoro-2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-2-(2-methylpiperidin-1-yl)benzonitrileHCID 59606529—

Reaction Steps

Oxalyl chloride (190 mg; 1.5 mmol; 3 eq.), Intermediate 36 (122 mg; 0.5 mmol; 1 eq.), Intermediate 23 (92 mg; 0.5 mmol, 1 eq.) and DIEA (194 mg; 1.5 mmol; 3 eq.) were reacted according to general procedure 2. Purification by column chromatography c-hexane/ethyl acetate, 70/30) afforded the title compound as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889668B2
Source datasetuspto-grants-2014_11
ORD IDord-3f5fb1f2d6e745c78a90391e72c36900
Source noteuspto-grants-2014_11