N, N-Dibenzyl Formamide Dimethyl Acetal and N, N-Dibenzyl Chloromethylene Iminium Chloride: Two Complementary Reagents for the Protection Of Primary Amines as N, N-Dibenzyl Formamidines
作者:Stéphane Vincent、Luc Lebeau、Charles Mioskowski
DOI:10.1080/00397919908085753
日期:1999.1
Two complementary procedures are described for the preparation of N,N-dibenzyl formamidines from primary amines in high yield. The primary amine protective group can be easily introduced on polyhydroxylated molecules and is removable either by hydrolysis or hydrogenolysis.
Regioselective N<sup>1</sup>-Alkylation of Guanosine Derivatives Protected at<i>N</i><sup>2</sup>by an<i>N,N</i>-Dialkyl Amidine Group
作者:Stéphane P. Vincent、Charles Mioskowski、Luc Lebean