Fast Deprotection of Synthetic Oligodeoxyribonucleotides Using Standard Reagents under Microwave Irradiation

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DOIResolve DOI: http://doi.org/10.1089/oli.2007.0072
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TypeArticle
Journal titleOligonucleotides
Volume8
Pages8192; # of pages: 12
AbstractFast methods for the removal of permanent amide exo-cyclic protective groups widely used in phosphoramidite- method DNA synthesis are desirable for many genomics and proteomics applications. In this communication, we present a method for the deprotection of a range of N-acyl deoxyribonucleosides (T, dABz, dCBz, dCAc, dGibu, dGPAC) and synthetic oligodeoxyribonucleotides, ranging in length from 5-mer to 50-mer. Oligodeoxyribonucleotides were synthesized using standard amide protecting groups (dABz, dCBz, dGibu) and phosphoramidite chemistry on cis-diol solid phase support. This deprotection method utilizes 29% aqueous ammonia solution at 170°C for 5 minutes under monomode microwave irradiation at a 20-nmole reaction scale. Reaction products were analyzed by TLC, RP-HPLC, CE, ESI-MS, real-time PCR, agarose gel electrophoresis, and by DNA uracil glycosylase (UDG) and phosphodiesterase I (PDE) enzymatic digestions.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Information Technology
Peer reviewedYes
NRC number50706
NPARC number16931689
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Record identifierd64129c9-a44b-4845-863a-3ba65939124c
Record created2011-02-26
Record modified2016-05-09
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