专利号:US-12428442-B2 优先权日:2017-06-21 标题 :Compounds, compositions and methods for synthesis 发明人:BUTLER DAVID CHARLES DONNELL; HENCKEN CHRISTOPHER P; IWAMOTO NAOKI; KANDASAMY PACHAMUTHU; LANAO ALVARO ANDRES; LU GENLIANG; SHIMIZU MAMORU; DIVAKARAMENON SETHUMADHAVAN; VARGEESE CHANDRA; BOMMINENI GOPAL REDDY; MARAPPAN SUBRAMANIAN 权利人:WAVE LIFE SCIENCES LTD 摘要:The present disclosure, among other things, provides technologies for synthesis, including reagents and methods for stereoselective synthesis. In some embodiments, the present disclosure provides compounds useful as chiral auxiliaries. In some embodiments, the present disclosure provides reagents and methods for oligonucleotide synthesis. In some embodiments, the present disclosure provides reagents and methods for chirally controlled preparation of oligonucleotides. In some embodiments, technologies of the present disclosure are particularly useful for constructing challenging internucleotidic linkages, providing high yields and stereoselectivity.
专利号:US-5616700-A 优先权日:1992-04-24 标 题:Processes for synthesizing nucleotides and modified nucleotides using N.sub. 发明人:REDDY M PARAMESWARA; FAROOQUI FIRDOUS 权利人:BECKMAN INSTRUMENTS INC 摘要:Disclosed herein are protecting groups for exocyclic amino groups of the base cytosine for use in the synthesis of oligonucleotides and oligonucleoside phosphorothioates, the protecting groups being represented by the formula: -CO-(CH2)0-9-CH3. In a particularly preferred embodiment, the base cytosine is protected with acetyl (-CO-CH3), and the oligonucleotide or oligonucleoside phosphorothioate incorporating the protected cytosine is subjected to a cleavage/deprotection reagent comprising methylamine and ammonia.
[参考文献]: Dohno C, Et, Al. Amphiphilic Dna Duplex Stabilized By A Hydrophobic Zipper. European Journal Of Organic Chemistry. September 2012. 27: 5317-5323.