Synthesis of annulated dioxins as electron-rich donors for cation radical salts
作者:Jonas Hellberg、Emma Dahlstedt、Margit E. Pelcman
DOI:10.1016/j.tet.2004.07.017
日期:2004.9
The synthesis of a series of new alkoxylated linearly annulateddioxins is described together with their cyclic voltammetric behavior and some preliminary result on their ability to form cationradicalsalts. Of these dioxins, seven (8, 12, 19, 21, 27, 33, 34) are the first representatives of entirely new heterocyclic systems. Dioxins 8, 21, 22 and 27 gave good quality cationradicalsalts upon el
Disclosed is an aromatic compound expressed by the general formula (I), wherein A represents of a fused aromatic hydrocarbon moiety such as triphenylene, X represents a hydrogen-bonding site such as an atomic group containing an amide linkage, Y represents a chain functional group such as an alkyl group having 3 to 18, preferably 10 to 18 carbon atoms, and n represents an integer ranging from 2 to 10. The aromatic compound forms a molecular assembly in which the aromatic rings mutually overlap and exhibits an excellent charge carrier transfer property.
A
X—Y)
n
(I)
Ordered π‐columnar structures found in covalentorganicframeworks (COFs) render them attractive as smart materials. However, external‐stimuli‐responsive COFs have not been explored. Here we report the design and synthesis of a photoresponsive COF with anthracene units as the photoresponsive π‐building blocks. The COF is switchable upon photoirradiation to yield a concavo‐convex polygon skeleton through
Modified porous composite structure, method for manufacturing the same and method for absorbing organic liquid
申请人:CHUNG YUAN CHRISTIAN UNIVERSITY
公开号:US10850258B2
公开(公告)日:2020-12-01
A method for manufacturing a modified porous composite structure includes steps as follows. A functionalized melamine sponge is provided, a porous organic framework source is provided, a connecting step is conducted, and a modifying step is conducted. The porous organic framework source includes a porous organic framework or a precursor of the porous organic framework. The porous organic framework and the precursor of the porous organic framework include a plurality of first ligands. Each first ligand includes at least one tetrazine group. In the connecting step, the functionalized melamine sponge is combined with the porous organic framework, so that a porous composite structure is obtained. In the modifying step, a reactive group of a modifying group donor is reacted with the tetrazine group, so that a modifying group of the modifying group donor is connected to the porous composite structure to obtain the modified porous composite structure.