Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1373225Generated: November 1, 2026

Dimethylformamide → HCID 21072942, compound

https://huagongshe.com/reaction/1373225

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantPotassium CarbonateHCID 11430—
ReactantEthyl 5-bromovalerateHCID 84580—
ReactantHCID 21072922HCID 21072922—
SolventWaterHCID 962—
ProductHCID 21072942HCID 2107294260.4%

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of tert-butyl[3-(2-amino-5-chlorophenoxy)benzyl]carbamate (10.5 g. 30 mmols), ethyl 5-bromovalerate (10.2 ml, 60 mmols), potassium carbonate (4.2 g, 30 mmols) and N,N-dimethylformamide (100 ml) was stirred at 60° C. for 96 hours. The reaction mixture was cooled, poured into water, and extracted with ethyl acetate. The extract was washed with water, and then dried with anhydrous magnesium sulfate. This was concentrated under reduced pressure, and the residue was purified through silica gel column chromatography to give an oil of ethyl 5-[2-[3-(tert-butoxycarbonylaminomethyl)phenoxy]-4-chlorophenyl]aminovalerate (8.65 g, 60.4%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07160887B1
Source datasetuspto-grants-2007_01
ORD IDord-002fac8e039d44aaba61d9b43dde2a73
Source noteuspto-grants-2007_01