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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2299347Generated: October 30, 2026

Methanol → [4-(2-Cyclopropyl-4,4-dimethyl 1,2,3,4-tetrahydro-isoquinoline-6-yl-ethynyl)-2-fluoro-phenyl]-acetic Acid

https://huagongshe.com/reaction/2299347

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantTetrahydrofuranHCID 8028—
ReactantLithium hydroxide, monohydrateHCID 168937—
Reactant[4-(2-Cyclopropyl-4,4-dimethyl-1,2,3,4-tetrahydro-isoquinolin-6-ylethynyl)-2-fluoro-phenyl]-acetic acid ethyl esterHCID 69548286—
SolventWaterHCID 962—
Product[4-(2-Cyclopropyl-4,4-dimethyl 1,2,3,4-tetrahydro-isoquinoline-6-yl-ethynyl)-2-fluoro-phenyl]-acetic AcidHCID 10134200—

Reaction Steps

Following general procedure J and using [4-(2-cyclopropyl-4,4-dimethyl-1,2,3,4-tetrahydro-isoquinolin-6-ylethynyl)-2-fluoro-phenyl]-acetic acid ethyl ester (Compound 21, 0.055 g, 0.135 mmol), methanol (2 mL), tetrahydrofuran (4 mL), water (1 mL) and lithium hydroxide monohydrate (0.117 g, 2.97 mmol) the title compound was obtained as a pale yellow solid foam (0.040 g, 78%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06495552B2
Source datasetuspto-grants-2002_12
ORD IDord-a317364c707c43f2b7ba0a5bf4b76d1e
Source noteuspto-grants-2002_12