Efficient cross-linking reactions by functional nucleobases capable of in situ activation under neutral conditions
Author(s) -
Fumi Nagatsugi,
Yasuhito Suenaga,
S. Sasaki
Publication year - 2003
Publication title -
nucleic acids symposium series
Language(s) - English
Resource type - Journals
eISSN - 1746-8272
pISSN - 0261-3166
DOI - 10.1093/nass/3.1.155
Subject(s) - cytidine , in situ , oligonucleotide , nucleobase , chemistry , duplex (building) , nucleoside , combinatorial chemistry , cytidine deaminase , biophysics , stereochemistry , biochemistry , dna , biology , enzyme , organic chemistry
We have previously described that the oligonucleotides containing phenylsulfide derivatives of 2-amino-6-vinylpurine nucleoside analog are activated within duplex to form cross-link toward cytidine selectively at the target site. However, the cross-linking reaction via the in-situ activation needs acidic conditions. In this paper, we wish to report that the new 2-amino-6-vinylpurine derivatives designed to have a structure of "double-activation" for in-situ activation exhibit fast cross-linking with cytidine under neutral conditions.
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