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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 714108Generated: October 30, 2026

Ethanol → (rac)-N-Methyl-2-(4-(4-(trifluoromethyl)phenyl)-6,7-dihydro-5H-cyclopenta[c]pyridin-7-yloxy)acetamide

https://huagongshe.com/reaction/714108

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantMethylamineHCID 6329—
ReactantDiisopropylethylamineHCID 81531—
ReactantPropylphosphonic anhydrideHCID 111923—
Reactant(rac)-2-(4-(4-(Trifluoromethyl)phenyl)-6,7-dihydro-5H-cyclopenta[c]pyridin-7-yloxy)acetic acid hydrochlorideHCID 89846289—
SolventTetrahydrofuranHCID 8028—
Product(rac)-N-Methyl-2-(4-(4-(trifluoromethyl)phenyl)-6,7-dihydro-5H-cyclopenta[c]pyridin-7-yloxy)acetamideHCID 7181148863%

Reaction Steps

To a solution of (rac)-2-(4-(4-(trifluoromethyl)phenyl)-6,7-dihydro-5H-cyclopenta[c]pyridin-7-yloxy)acetic acid hydrochloride (example 99) (70 mg, 0.19 mmol) in THF (0.6 mL) was added N,N-diisopropylethylamine (131 μL, 0.75 mmol), 8M methylamine in EtOH (47 μL, 0.38 mmol) and 1-propanephosphonic acid cyclic anhydride (284 μL, 0.47 mmol). The reaction was stirred at room temperature for 16 h. The mixture was evaporated and purified by flash chromatography (20 g SiO2, Telos-cartridge, 2 to 10% 2-propanol in CH2Cl2) to give the title compound (41 mg, 63%) as light yellow oil. MS: 351.5 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09187429B2
Source datasetuspto-grants-2015_11
ORD IDord-72159898075749e9b8f963a9f70592dc
Source noteuspto-grants-2015_11