W. Xu et al., POLYMER-SUPPORTED BASES IN SOLUTION-PHASE SYNTHESIS - 2 - A CONVENIENT METHOD FOR N-ALKYLATION REACTIONS OF WEAKLY ACIDIC HETEROCYCLES, Bioorganic & medicinal chemistry letters, 8(9), 1998, pp. 1089-1092
A convenient solution-phase method for N-alkylation reactions of weakl
y acidic heterocycles employing polymer supported super base PBEMP is
described. By using this method, multiple-step and chemoselective N-al
kylation sequences can be carried out in a one-pot process. (C) 1998 E
lsevier Science Ltd. All rights reserved.