An Optimized Version of Gabriel-Type Nucleophilic Amination
作者:Andrzej Zwierzak
DOI:10.1080/00397910008086868
日期:2000.7
N-Alkylation of primary alkyl bromides with diethyl N-sodio-N-(t-butoxycarbonyl)phosphoramidate 1 carried out in boiling acetonitrile in the presence of 10mol% of tetrabutylammonium bromide as catalyst leads to the corresponding N-alkyl derivatives 2a-1. Deprotection of 2 by refluxing with p-toluenesulfonic acid in ethanol affords ammonium tosylates 3a-1 in reasonable yields.
Zidani, A.; Carrie, R.; Vaultier, M., Bulletin de la Societe Chimique de France, 1992, # 1, p. 71 - 75