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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2121256Generated: October 31, 2026

Lithium Hydroxide → HCID 44375597, compound

https://huagongshe.com/reaction/2121256

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantHCID 69892721HCID 69892721—
SolventMethanolHCID 887—
ProductHCID 44375597HCID 4437559787.5%

Reaction Steps

Methyl N-[4-(2-pyrid-3-ylethyn-1-yl)-2-(2-methylphenyl)benzoyl]methionine (43 mg, 0.09 mmol) was dissolved in MeOH (2 mL) and treated with excess 1 M LiOH. After 18 h at room temperature, the reaction was evaporated, and partitioned between ether and water. The aqueous layer was acidified with 1 M HCl and extracted with EtOAc. The combined extracts were washed with water and brine, dried over Na2SO4, and evaporated to provide 35 mg of the title compound. MS m/e 445 (M+H)+. 1H NMR (CDCl3, 300 MHz) 1.62 (m, 1H), 1.96 (m, 1H), 2.1 (m, 8H), 4.62 (m, 1H), 6.02 (m, 1H), 7.37 (m, 6H), 7.63 (m, 1H), 7.88 (m, 1H), 7.99 (m, 1H), 8.59 (m, 1H), 8.79 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06693123B2
Source datasetuspto-grants-2004_02
ORD IDord-4021ac269d824931b0fc6b82649c0728
Source noteuspto-grants-2004_02