An efficient sequence for the preparation of small secondary amine hydrochloride salts for focused library generation without need for distillation or chromatographic purification
摘要:
Collections of small secondary amines for compound library generation can be efficiently prepared by amide reduction using BH(3)-THF or Red-Al followed by brief methanolysis, trapping with di-tert-butyl dicarbonate, and deprotection with 4M HCl in dioxane. The sequence requires no chromatography or distillation and provides multi-gram quantities of pure HCl salts in a short time.
The chemistry of tetrafluoroallene: nucleophilic addition reactions with phenols and amines
作者:Ji-Chang Xiao、Qing-Yun Chen
DOI:10.1016/s0022-1139(03)00133-7
日期:2003.10
Treatment of tetrafluoroallene or its precursor, ICF2CH2CF2I, with phenols in the presence of K2CO3 gave the corresponding unsaturated ethers. Tetrafluoroallene also reacted readily with amines in THF at room temperature to afford 3,3,3-trifluoropropionamides.
在K 2 CO 3存在下用苯酚处理四氟丙二烯或其前体ICF 2 CH 2 CF 2 I,得到相应的不饱和醚。在室温下,四氟丙烯也容易与胺在THF中反应,得到3,3,3-三氟丙酰胺。
An efficient sequence for the preparation of small secondary amine hydrochloride salts for focused library generation without need for distillation or chromatographic purification
作者:Gene M. Dubowchik、Jodi A. Michne、Dmitry Zuev
DOI:10.1016/j.bmcl.2004.04.014
日期:2004.6
Collections of small secondary amines for compound library generation can be efficiently prepared by amide reduction using BH(3)-THF or Red-Al followed by brief methanolysis, trapping with di-tert-butyl dicarbonate, and deprotection with 4M HCl in dioxane. The sequence requires no chromatography or distillation and provides multi-gram quantities of pure HCl salts in a short time.