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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1935787Generated: 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/1935787

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 numberUS06387892B1
Source datasetuspto-grants-2002_05
ORD IDord-f73b153a6f9c446e87e579e3671a539f
Source noteuspto-grants-2002_05