4LSC3236 5′-Phosphorylating Reagent II CAS# 171285-25-9
Catalog Number: 4LSC3236
CAS #: 171285-25-9
Name: 5′-Phosphorylating Reagent II; [3-(4,4′-Dimethoxytrityloxy)-2,2-dicarboxyethyl]propyl-(2-cyanoethyl)-(N,N-diisopropyl)phosphoramidite
5′- & 3′- Phosphorylating Modifiers
5′-Phosphorylating Modifiers are phosphoramidites used as an alternative to enzymatic techniques for 5’phosphorylation of oligonucleotides. The DMT group allows determination of phosphorylation efficiency. The DMT-2,2′-Sulfonyldiethanol group of the 5’Phosphate Amidite is eliminated during the standard ammonium hydroxide treatment, rendering this compound incompatible with the DMT-on reversed-phase purification.
On the other side, the DMT of the 5′-Phosphorylating reagent II is stable to the standard ammonium hydroxide deprotection allowing DMT-on reversed-phase purification. A fnal deblocking of the oligonucleotide can be accomplished with trifluoroacetic acid or with acetic acid / water treatment.
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