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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 977166Generated: October 27, 2026

Chloride → 1-(11-bromoundecanoyl)-N,N,beta,beta-tetramethyl-4-piperidineethanamine

https://huagongshe.com/reaction/977166

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorideHCID 312—
ReactantTriethylamineHCID 8471—
Reactant11-Bromoundecanoic acidHCID 17812—
ReactantDimethyl[2-methyl-2-(piperidin-4-yl)propyl]amineHCID 10921200—
SolventWaterHCID 962—
SolventChloroformHCID 6212—
Product1-(11-bromoundecanoyl)-N,N,beta,beta-tetramethyl-4-piperidineethanamineHCID 1529437657%

Reaction Conditions

Temperature0 °C

Reaction Steps

17.5 g (6.2×10-2 mole) of the chloride of 11-bromoundecanoic acid diluted in 100 ml of trichloromethane was added dropwise to a solution of N,N,β,β-tetramethyl-4-piperidineethanamine in 120 ml of trichloromethane and 19.2 ml (14.7×10-2 mole) of N,N-diethylethanamine, cooled to 0° C. The reaction mixture was stirred for 3 hours at 0° C. then for 20 hours at room temperature. The reaction mixture was poured into water and allowed to settle. The organic phase was recovered and dried over magnesium sulphate and the solvents were evaporated off under reduced pressure. 12 g (yield: 57%) of the desired product was obtained as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05614534
Source datasetuspto-grants-1997_03
ORD IDord-087ed9419eea4bf3bd61bb115351c542
Source noteuspto-grants-1997_03