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Facile Synthesis of Sequence‐Defined Oligo(Dimethylsiloxane‐co‐Diphenylsiloxane)s
Macromolecular Rapid Communications ( IF 4.2 ) Pub Date : 2020-12-03 , DOI: 10.1002/marc.202000593 Takahiro Kawatsu 1 , Jun-Chul Choi 1 , Kazuhiko Sato 1 , Kazuhiro Matsumoto 1
Macromolecular Rapid Communications ( IF 4.2 ) Pub Date : 2020-12-03 , DOI: 10.1002/marc.202000593 Takahiro Kawatsu 1 , Jun-Chul Choi 1 , Kazuhiko Sato 1 , Kazuhiro Matsumoto 1
Affiliation
1,1,3,3,5,5,7,7‐Octamethyltetrasiloxane (HMD2MH), which is reported to release Me2SiH2 via a B(C6F5)3‐catalyzed redistribution, acts as a good Me2SiH2 precursor in the B(C6F5)3‐catalyzed dehydrocarbonative condensation of alkoxysilanes. A series of oligo(dimethylsiloxane‐co‐diphenylsiloxane)s that are uniformly sized and sequence‐defined at the atomic level are synthesized by a one‐pot controlled iteration of a B(C6F5)3‐catalyzed dehydrocarbonative condensation of alkoxysilanes with HMD2MH or Ph2SiH2 and a B(C6F5)3‐catalyzed hydrosilylation of carbonyl compounds, followed by the subsequent B(C6F5)3‐catalyzed dehydrogenative condensation of silanols.
中文翻译:
轻松合成序列定义的寡聚(二甲基硅氧烷-二苯基硅氧烷)
1,1,3,3,5,5,7,7-八甲基四硅氧烷(H MD 2 M H)据报道可通过B(C 6 F 5)3催化的重新分布释放Me 2 SiH 2,B(C 6 F 5)3催化的烷氧基硅烷的脱烃缩合反应中的一种良好的Me 2 SiH 2前体。通过一锅控制的B(C 6 F 5)迭代合成一系列在原子水平上大小均一且序列确定的低聚(二甲基硅氧烷-共二苯基硅氧烷)3与烷氧基硅烷的催化的缩合dehydrocarbonative ħ MD 2中号ħ或PH 2的SiH 2和B(C 6 ˚F 5)3的羰基化合物的氢化硅烷化催化的,随后通过后续的B(C 6 ˚F 5)3 -催化的脱氢硅烷醇的缩合。
更新日期:2020-12-03
中文翻译:
轻松合成序列定义的寡聚(二甲基硅氧烷-二苯基硅氧烷)
1,1,3,3,5,5,7,7-八甲基四硅氧烷(H MD 2 M H)据报道可通过B(C 6 F 5)3催化的重新分布释放Me 2 SiH 2,B(C 6 F 5)3催化的烷氧基硅烷的脱烃缩合反应中的一种良好的Me 2 SiH 2前体。通过一锅控制的B(C 6 F 5)迭代合成一系列在原子水平上大小均一且序列确定的低聚(二甲基硅氧烷-共二苯基硅氧烷)3与烷氧基硅烷的催化的缩合dehydrocarbonative ħ MD 2中号ħ或PH 2的SiH 2和B(C 6 ˚F 5)3的羰基化合物的氢化硅烷化催化的,随后通过后续的B(C 6 ˚F 5)3 -催化的脱氢硅烷醇的缩合。