Improvements to solid phase phosphotriester synthesis of deoxyoligonucleotides.

Abstract:

:A solution of benzenesulphonic acid (3%, w/v) in a dimethylformamide and dichloromethane mixture (9:1, v/v) is shown to be a very effective reagent for the detritylation of deoxyoligonucleotides attached to a solid support. The levels of depurination with this reagent were lower than those observed with other reagents such as trichloroacetic acid. Coupling reactions are described using above ambient temperatures with no detectable increase in side products. Both procedures have been successfully incorporated into an automated system, which can compete with the rate of synthesis by the phosphite approach.

journal_name

Nucleic Acids Res

journal_title

Nucleic acids research

authors

Patel TP,Millican TA,Bose CC,Titmas RC,Mock GA,Eaton MA

doi

10.1093/nar/10.18.5605

subject

Has Abstract

pub_date

1982-09-25 00:00:00

pages

5605-20

issue

18

eissn

0305-1048

issn

1362-4962

journal_volume

10

pub_type

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