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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 898672Generated: October 29, 2026

Methanol → [4-(8-Ethynyl-2,2,4,4-tetramethyl-chroman-6-ylethynyl)-2-fluoro-phenyl]-acetic acid

https://huagongshe.com/reaction/898672

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantTetrahydrofuranHCID 8028—
ReactantLithium hydroxide, monohydrateHCID 168937—
ReactantHCID 69212794HCID 69212794—
SolventWaterHCID 962—
Product[4-(8-Ethynyl-2,2,4,4-tetramethyl-chroman-6-ylethynyl)-2-fluoro-phenyl]-acetic acidHCID 10237512—

Reaction Steps

Following general procedure K and using [2-fluoro-4-(2,2,4,4-tetramethyl-8-trimethylsilanylethynyl-chroman-6-ylethynyl)-phenyl]-acetic acid methyl ester (Compound 39, 0.11 g, 0.23 mmol), methanol, tetrahydrofuran, water and lithium hydroxide monohydrate followed by recrystallization from hot acetonitrile, the title compound was obtained as a pale yellow solid (0.045 g, 50%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07351737B2
Source datasetuspto-grants-2008_04
ORD IDord-41ea9e772268457f92ec3345e86f297e
Source noteuspto-grants-2008_04