Covalent organic frameworks(COFs)with good chemical stability coupled with extended-conjugation structures are highly prefera-ble.Herein,a fully-conjugated and chemically stable two-dimensional COF was synthesized by ...Covalent organic frameworks(COFs)with good chemical stability coupled with extended-conjugation structures are highly prefera-ble.Herein,a fully-conjugated and chemically stable two-dimensional COF was synthesized by a one-pot,three-components synthe-sis through a successful conversion of amine,aldehyde,and alkyne groups into the quinoline units as linkages with B(C6F5)3 serving as a Lewis acid catalyst,whilst 2,3-dichloro-5,6-dicyano-1,4-benzoquinone(DDQ)was employed as an oxidant.The obtained fully conjugated 2D COF shows excellent stability in acid or base.展开更多
基金supported by the National Natural Science Foundation of China(No.51972185)the Natural Science Foundation of Shandong Province(No.ZR202OZD38).
文摘Covalent organic frameworks(COFs)with good chemical stability coupled with extended-conjugation structures are highly prefera-ble.Herein,a fully-conjugated and chemically stable two-dimensional COF was synthesized by a one-pot,three-components synthe-sis through a successful conversion of amine,aldehyde,and alkyne groups into the quinoline units as linkages with B(C6F5)3 serving as a Lewis acid catalyst,whilst 2,3-dichloro-5,6-dicyano-1,4-benzoquinone(DDQ)was employed as an oxidant.The obtained fully conjugated 2D COF shows excellent stability in acid or base.
