
共价有机框架:超越结构的化学- X-MOL资讯 - X-MOL科学 ...
2018年12月29日 · 共价有机框架(covalent organic framework, COF)是化学研究中迅速发展的一个新领域。 在二维和三维中以各种共价键连接原子从而构建框架结构,使COF化学超越了结 …
Reconstructed covalent organic frameworks - Nature
2022年4月6日 · Here we present a reconstruction strategy for COF synthesis that uses a reversible and removable covalent tether to pre-organize monomers before an irreversible …
Crystalline Covalent Organic Frameworks with Hydrazone Linkages
2011年7月1日 · Condensation of 2,5-diethoxyterephthalohydrazide with 1,3,5-triformylbenzene or 1,3,5-tris (4-formylphenyl)benzene yields two new covalent organic frameworks, COF-42 and …
Covalent Organic Frameworks: Structures, Synthesis, and …
Covalent organic frameworks (COFs) are crystalline porous polymers formed by a bottom-up approach from molecular building units having a predesigned geometry that are connected …
Three-dimensional covalent organic frameworks with pto and mhq …
2023年5月19日 · Herein, we report two highly crystalline 3D COFs with pto and mhq-z topologies designed by rationally selecting rectangular-planar and trigonal-planar building blocks with …
Angew、Chem连续发文,共同聚焦COFs网状化学 - 网易
2022年11月4日 · 在这种情况下,具有正方形平面几何形状和不同功能的卟啉部分已被广泛用作各种mof和cof的4-连接构建模块。与mof中丰富的基于卟啉的4-连接拓扑相比,cof中基于卟啉的网 …
Covalent Organic Frameworks: Design, Synthesis, and Functions
2020年1月22日 · Covalent organic frameworks (COFs) are a class of crystalline porous organic polymers with permanent porosity and highly ordered structures. Unlike other polymers, a …
A Three-Dimensional sp2 Carbon-Conjugated Covalent Organic …
2021年9月17日 · A first example of an sp 2 carbon-conjugated three-dimensional (3D) covalent organic framework (COF) (BUCT-COF-4) is synthesized via the Knoevenagel condensation of …
Approaches and challenges in the synthesis of three ... - Nature
2018年12月18日 · In this seminal work, two COFs were synthesized from the self-condensation of 1,4-benzenediboronic acid (COF-1) or co-condensation with hexahydroxytriphenylene (COF …
Donor-acceptor type [4+3] covalent organic frameworks: sub
2020年4月2日 · By reticulating the tetraphenylethylene (TPE)-based and triazine-based moieties into COF frameworks, novel electron donor-acceptor (D-A) type structures were obtained. …