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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2222780Generated: October 30, 2026

Dimethylformamide → HCID 68650048, compound

https://huagongshe.com/reaction/2222780

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantThionyl ChlorideHCID 24386—
Reactant(4-Amino-benzyl)-methyl-(tetrahydro-pyran-4-yl)-amineHCID 9877845—
ReactantHCID 68650364HCID 68650364—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
SolventTriethylamineHCID 8471—
ProductHCID 68650048HCID 6865004854.6%

Reaction Steps

To a solution of 8-[4-(2-butoxyethoxy)phenyl]-3, 4-dihydro-2H-1-benzoxocin-5-carboxylic acid (80 mg) in THF (10 ml) were added a drop of DMF and then thionylchloride (0.02 ml) at 0° C. After stirring at room temperature for 30 minutes under a nitrogen atmosphere, the mixture was added to a solution of 4-[[N-methyl-N-(tetrahydropyran-4-yl)amino]methyl]aniline (57 mg) and triethylamine (526 mg) in tetrahydrofuran (20 ml) at 0° C. The mixture was stirred at room temperature for 1.5 hours under a nitrogen atmosphere. Water was added and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated saline and dried over magnesium sulfate. After distilling off the solvent under reduced pressure, the residue was separated and purified by silica gel column chromatography (ethyl acetate). Recrystallization from hexane/ethyl acetate gave colorless crystals of 8-[4-(2-butoxyethoxy)phenyl]-N-[4-[[N-methyl-N-(tetrahydropyran-4-yl)amino]methyl]phenyl]-3,4-dihydro-2H-1-benzoxocin-5-carboxamide (Compound 1, 66 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07371772B2
Source datasetuspto-grants-2008_05
ORD IDord-b21489cd6d4543aaaf60d1a6de0368b6
Source noteuspto-grants-2008_05