4-Chlorobenzylamine → HCID 67763772, compound

Participants

Reaction Steps

A mixture of 2.76 g of (2R)-3-chloro-2-hydroxypropyl(benzyl)phosphinic acid ethyl ester, 3.54 g of p-chlorobenzylamine, 3.25 g of N-ethyl-N,N-diisopropylamine and 20 ml of ethanol is heated under reflux for 48 hours. Removal of the solvent and chromatography yield (2S)-3-(p-chlorobenzylamino)-2-hydroxypropyl(benzyl)phosphinic acid ethyl ester; 1H--NMR spectrum (in CDCl3): δ=7.4-7.17 (9H,m); 4.14-3.83 (3H,m); 3.71 (2H,ABq); 3.20 (2H,d); 2.6-2.5 (2H,m); 1.96-1.62 (2H,m); 1.25 (3H,t); 31P--NMR spectrum (in CDCl3); δ=53.9; 52.7.

Provenance & Evidence