Nucleic Acids Research, 1988, Vol. 16, No. 3 833-847
© 1988
Articles |
-DNA VII. Solid phase synthesis of
-anomeric oligodeoxyribonucleotides
Leboratoire de Chimie Bio-Organique, UA 488 CNRS, Université des Sciences et Techniques du Languedoc Place E.-Baiaillon, 34060 Montpellier Cédex, France 1Laboratoire de Biochimie des Protéines, UA 1191 CNRS, Université des Sciences et Techniques du Languedoc Place E.-Baiaillon, 34060 Montpellier Cédex, France
Received December 8, 1987. Accepted January 11, 1988.
An efficient procedure for the synthesis of unnatural
-anomeric oligodeoxyribonucleotides is described. This solid-phase procedure is based on the use of
-nucleoside phosphoramidites and
-nucleoside derivatized solid supports corresponding to the four natural bases and allow rapid synthesis of oligonucleotides up to 20
-deoxynucleotide units in length. After HPLC purification, a 15-mer:
-d(CCTCTCGTTCTTTAC) and a 20-mer
-d(ATACTTGAGGAAGAGGTGTT) were obtained respectively in 27 and 29% overall yields. Their purity, nucleoside composition and primary structure were ascertained by HPLC and Maxam-Gilbert sequence analyses.
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