SuFExable polymers with helical structures derived from thionyl tetrafluoride.

SuFExable polymers with helical structures derived from thionyl tetrafluoride.
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由四氟化亚硫酰衍生的具有螺旋结构的 SuFExable 聚合物

DOI:
10.1038/s41557-021-00726-x
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发表时间:
2021-09
期刊:
影响因子:
21.8
通讯作者:
Sharpless KB
Sharpless KB
中科院分区:
化学1区
文献类型:
--
作者:
Li S;Li G;Gao B;Pujari SP;Chen X;Kim H;Zhou F;Klivansky LM;Liu Y;Driss H;Liang DD;Lu J;Wu P;Zuilhof H;Moses J;Sharpless KB

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硫(Vi)氟化物交换(SuFEx)是点击化学的一种,它通过硫(Vi)连接中心实现模块单元的共价连接。SuFEx的效率和生成的键的稳定性导致了聚合物化学的应用。现在,我们报道了几种结构不同的基于双(亚氨基硫氧二氟醚)和双(芳基硅醚)聚合的SOF4衍生共聚物的SuFEx点击化学合成。这类聚合物有两个主要特点。首先,[-N=S(=O)F-O-]聚合物主链本身是SuFExable的,并经过基于SuFEx的精确的酚类或胺类后修饰,以产生支化的功能聚合物。其次,对其中几种新材料的单个聚合物链的研究表明,螺旋聚合物结构。SuFEx点击化学的强大特性提供了聚合后修饰的潜力,使材料的合成能够控制组成和构象。
Sulfur(vi) fluoride exchange (SuFEx) is a category of click chemistry that enables covalent linking of modular units through sulfur(vi) connective hubs. The efficiency of SuFEx and the stability of the resulting bonds have led to polymer chemistry applications. Now, we report the SuFEx click chemistry synthesis of several structurally diverse SOF4-derived copolymers based on the polymerization of bis(iminosulfur oxydifluorides) and bis(aryl silyl ethers). This polymer class presents two key characteristics. First, the [–N=S(=O)F–O–] polymer backbone linkages are themselves SuFExable and undergo precise SuFEx-based post-modification with phenols or amines to yield branched functional polymers. Second, studies of individual polymer chains of several of these new materials indicate helical polymer structures. The robust nature of SuFEx click chemistry offers the potential for post-polymerization modification, enabling the synthesis of materials with control over composition and conformation.
1-溴乙烯-1-磺酰氟(1-Br-ESF),一种新型SuFEx可点击试剂,及其在区域选择性构建5-磺酰氟异恶唑中的应用
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