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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1348656Generated: October 26, 2026

Tetrahydrofuran → HCID 86605291, compound

https://huagongshe.com/reaction/1348656

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantDiisopropylethylamineHCID 81531—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantPropanedioic acid, 2-hydroxy-2-methyl-, 1-ethyl esterHCID 13396337—
Reactant3,3,3-Trifluoropropylamine hydrochlorideHCID 25210505—
ProductHCID 86605291HCID 8660529194%

Reaction Steps

To a solution of 2.00 g (8.51 mmol) 2-hydroxy-2-methyl-malonic acid monoethyl ester in 60 ml of tetrahydrofuran 1.27 g (8.51 mmol) of 3,3,3-trifluoropropylamine hydrochloride, 1.67 g (8.51 mmol) of N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride, 1.17 g (8.51 mmol) of 1-hydroxybenzotrizole hydrate and 4.46 ml (25.5 mmol) of N,N-diisopropyl-ethylamine were added. The mixture was stirred at room temperature for 18 h. Silicagel was added and the solvent was removed by distillation. The residue was purified by chromatography on silicagel dichloromethane/methanol 7:3 to yield 2.33 g (94%) of the title compound, MS m/e (%): 258.1 (M+H+, 100).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07211573B2
Source datasetuspto-grants-2007_05
ORD IDord-cf011bfecebe4d52927535f578a763df
Source noteuspto-grants-2007_05