摘要 |
<p>The present invention relates to nucleosides, nucleotides and oligonucleotides whose basic structure contains a primary hydroxyl group protected by tris-4,4',4''-tert-butylphenylmethyl, to processes for the preparation of these nucleosides and nucleotides, to a process for preparing oligonucleotides, and to the use of such protected nucleosides, nucleotides and oligonucleotides.</p> |