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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 898657Generated: October 29, 2026

Dichloromethane → HCID 10151049, compound

https://huagongshe.com/reaction/898657

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantHexaneHCID 8058—
ReactantEthyl AcetateHCID 8857—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantHCID 12137002HCID 12137002—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
ProductHCID 10151049HCID 10151049—

Reaction Steps

Following General Procedure D and using 8-ethynyl-2,2,4,4-tetramethyl chroman-6-carboxylic acid (Compound 26, 0.45 g, 1.75 mmol), anhydrous dichloromethane (20 mL), ethyl-4-hydroxy phenyl acetate (Compound 15, 0.38 g, 2.1 mmol), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (0.5 g, 2.62 mmol) and 4-(dimethylamino)pyridine (0.43 g, 3.5 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 20% ethyl acetate in hexane as the eluent, the title compound was obtained as white solid (0.536 g, 74%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07351737B2
Source datasetuspto-grants-2008_04
ORD IDord-e1214d1bbc594260b4b33991050f8dd6
Source noteuspto-grants-2008_04