Synthesis and evaluation of 2'-O-substituted oligoribonucleotide analogues with new properties
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A method for the introduction of the 2'-O-[(triisopropylsilyl)oxy]methyl (=tom) group into N-acetylated, 5'-O-dimethoxytritylated ribonucleosides is presented. The corresponding 2'-O-tom-protected phosphoramidite building blocks were obtained in pure form ...
In contrast to DNA-related research, RNA-related research is limited by the availability of synthetic sequences. Recent improvements in chem. synthesis allow Xeragon AG to offer custom RNA sequences - up to 100mers - in high quantity and quality at an affo ...
The reaction of d,l-5'-activated nucleotide of adenosine in the presence and absence of montmorillonite gave 60:40 and 96:4 ratios, resp. of the d,d- and l,l:d,l- and l,d-dimers. [on SciFinder (R)] ...
The authors evaluated the RNA binding of all eight possible stereoisomers of LNA. Synthesis of "a-l-xylo-LNA" has been accomplished and the remaining four stereoisomers, all enantiomers of the four synthesized diastereoisomers, are indirectly evaluated b ...
Methods for amplification and sequencing of at least one nucleic acid comprising the following steps: (1) forming at least one nucleic acid template comprising the nucleic acid(s) to be amplified or sequenced, wherein said nucleic acid(s) contains at the 5 ...
The prepn. of building blocks for the incorporation of 6'-O-(5-bromopentyl)-substituted b-D-allofuranosylnucleosides and 2'-O-[(3-bromopropoxy)methyl]-substituted ribonucleosides into oligonucleotide sequences is presented. These reactive building blocks c ...
In the ribosomal biosynthesis of proteins, the aminoacylated t-RNAs serve as carriers of the amino acids. A total synthesis of these biol. key-compds. would allow the site-specific incorporation of modifications within the t-RNA and attachment of any desir ...
To preorganize PNA for duplex formation, a new cyclic pyrrolidinone PNA analog has been designed. In this analog the aminoethyl-glycine backbone and the methylene-carbonyl linker are connected, introducing two chiral centers compared to PNA. The four stere ...
The design, synthesis, and base-pairing properties of bicyclo[3.2.1]amide-DNA (bca-DNA), a novel phosphodiester-based DNA analog, are reported. This analog consists of a conformationally constrained backbone entity, which emulates a B-DNA geometry, to whic ...
The detn. of the soln. structure of small non-natural oligopeptides and oligonucleotides by NMR, which is one of the main research topics of our group, is illustrated on the example of an 8-mer p-DNA duplex. P-DNA, the 3'-desoxy analog of p-RNA, forms an h ...
