Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 735548Generated: October 29, 2026

Methylamine → 3-(4-bromophenyl)-N-methylpropanamide

https://huagongshe.com/reaction/735548

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant3-(4-Bromophenyl)propionic acidHCID 2735609—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
Product3-(4-bromophenyl)-N-methylpropanamideHCID 1789505594.9%

Reaction Conditions

Temperature0 °C

Reaction Steps

EDAC (1.56 g, 8.1 mmol) was added in one portion to 3-(4-bromophenyl)propanoic acid (2.5 g, 7.4 mmol) and HOBt (1.1 g, 8.1 mmol) in DMF (6 mL) and the reaction mixture was stirred for 2 h. The reaction mixture was cooled to 0° C. and NH2Me (2.0 M in MeOH, 29 mL, 58 mmol) was added dropwise. The solution was stirred at 0° C. for 30 min and 10 h at ambient temperature. The reaction mixture was diluted with water (25 mL), extracted with diethyl either (3×50 mL). The combined organics were washed with brine, dried over Na2SO4 and concentrated in vacuo to yield 22A (1.7 g, 67%) as an off-white solid. MS (ESI) m/z 242.22/244.22 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07592331B2
Source datasetuspto-grants-2009_09
ORD IDord-f9be598a238945c6b1e134e39a212a04
Source noteuspto-grants-2009_09