Stereocontrolled synthesis of oligodeoxyribonucleoside boranophosphates by an oxazaphospholidine approach using acid-labile N-protecting groups

被引:13
|
作者
Iwamoto, Naoki [1 ]
Oka, Natsuhisa [1 ]
Wada, Takeshi [1 ]
机构
[1] Univ Tokyo, Grad Sch Frontier Sci, Dept Med Genome Sci, Kashiwa, Chiba 2778562, Japan
关键词
Stereocontrolled synthesis; Boranophosphate; Oxazaphospholidine approach; H-Phosphonate; SOLID-PHASE SYNTHESIS; BORANE PHOSPHONATE DNA; DINUCLEOSIDE BORANOPHOSPHATES; BORANOPHOSPHOTRIESTER METHOD; OLIGONUCLEOSIDE BORANOPHOSPHATES; STEREOSELECTIVE-SYNTHESIS; PHOSPHOROTHIOATE ANALOGS; CHEMICAL-SYNTHESIS; COMPLEXES; STABILITY;
D O I
10.1016/j.tetlet.2012.06.015
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Oligodeoxyribonucleoside boranophosphates (PB-ODNs) were synthesized in a stereocontrolled manner via the corresponding H-phosphonates with fully deprotected nucleobases by using diastereopure 2'-deoxyribonucleoside 3'-O-oxazaphospholidine monomers bearing acid-labile protecting groups on the nucleobases. Using the resultant stereodefined PB-ODNs, we demonstrated that the thermal stability of the duplexes of PB-ODNs with complementary oligonucleotides was dependent on the configuration of their phosphorus atoms. (C) 2012 Elsevier Ltd. All rights reserved.
引用
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页码:4361 / 4364
页数:4
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