Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1918219Generated: November 1, 2026

Lithium Hydroxide → 4-(4-Methylbenzamido)-2-p-tolylthiophene-3-carboxylic acid

https://huagongshe.com/reaction/1918219

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantMethyl 4-(4-methylbenzamido)-2-p-tolylthiophene-3-carboxylateHCID 67052278—
SolventDimethylformamideHCID 6228—
SolventMethanol tetrahydrofuran waterHCID 21892291—
Product4-(4-Methylbenzamido)-2-p-tolylthiophene-3-carboxylic acidHCID 67052426—

Reaction Steps

The ester 180 and lithium hydroxide in tetrahydrofuran: methanol:water (3:2:1) is stirred at room temperature for 4 h. The mixture is diluted with DMF and purified by HPLC to provide 181.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08618307B2
Source datasetuspto-grants-2013_12
ORD IDord-df03c282fa984dfc8f8ff7473787c1ef
Source noteuspto-grants-2013_12