Kuciński Krzysztof, Hreczycho Grzegorz
Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89b, 61-614, Poznań, Poland.
ChemSusChem. 2019 Mar 7;12(5):1043-1048. doi: 10.1002/cssc.201802757. Epub 2019 Jan 29.
A simple and highly practical catalyst-free O-silylation of silanols with commercially available disilazanes has been developed under mild conditions. In the case of polyhedral oligomeric silsesquioxane (POSS) silanols and some other silanols, it was necessary to use catalytic amounts of inexpensive Bi(OTf) as additional catalyst. This efficient chlorine-free protocol involves the synthesis of a wide range of important organosilicon derivatives such as unsymmetrical disiloxanes and functionalized silsesquioxanes.
已开发出一种简单且高度实用的方法，可在温和条件下使硅醇与市售的二硅氮烷进行无催化剂的O-硅烷化反应。对于多面体低聚倍半硅氧烷（POSS）硅醇和其他一些硅醇，需要使用催化量的廉价三氟甲磺酸铋（Bi(OTf)）作为额外催化剂。这种高效的无氯方法涉及多种重要有机硅衍生物的合成，如不对称二硅氧烷和功能化倍半硅氧烷。
