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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1676150Generated: October 30, 2026

4-Isobutyl-3,5-dimethylthiophene-2-carboxylic acid → 2,6-Diethyl-4-[5-(4-isobutyl-3,5-dimethyl-thiophen-2-yl)-[1,2,4]oxadiazol-3-yl]-phenol

https://huagongshe.com/reaction/1676150

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Isobutyl-3,5-dimethylthiophene-2-carboxylic acidHCID 59497866—
ReactantHCID 178436633HCID 178436633—
Product2,6-Diethyl-4-[5-(4-isobutyl-3,5-dimethyl-thiophen-2-yl)-[1,2,4]oxadiazol-3-yl]-phenolHCID 136133432—

Reaction Steps

2,6-Diethyl-4-[5-(4-isobutyl-3,5-dimethyl-thiophen-2-yl)-[1,2,4]oxadiazol-3-yl]-phenol is prepared from 4-isobutyl-3,5-dimethyl-thiophene-2-carboxylic acid and 4,N-dihydroxy-3,5-diethyl-benzamidine in analogy to Example 21; LC-MS: tR=1.24 min, [M+1]=385.28.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08003800B2
Source datasetuspto-grants-2011_08
ORD IDord-80c2dc75ca4944ef88570acfcf027beb
Source noteuspto-grants-2011_08