https://pmc.ncbi.nlm.nih.gov/articles/PMC147346/
Efficient activation of nucleoside phosphoramidites with 4,5-dicyanoimidazole during...
A new activator for the coupling of phosphoramidites to the 5'-hydroxyl group during oligonucleotide synthesis is introduced. The observed time to complete...
nucleoside phosphoramidites4 5efficientactivation