Open links in new tab
  1. Nature
    https://www.nature.com/articles/s41570-022-00437-y

    Imine and imine-derived linkages in two-dimensional covalent

    • Covalent organic frameworks (COFs) are porous crystalline polymers that result from the formation of covalent bonds between precisely assembled organic units. Linkage chemistry is a crucial factor in the contro… See more

    Introduction

    Covalent organic frameworks (COFs) are a class of porous crystalline polymers … See more

    Nature
    Imine and imine-derived linkages

    A huge variety of reactive linkage groups has been employed in forming COFs, including, but not necessarily limited to: boronic acid, catechol, amine, aldehyde, hydrazine a… See more

    Nature
    De novo synthesis

    In designing COFs to have a particular property, three key aspects must be considered: crystallinity, stability and functionality. Stability can be improved by increasing t… See more

    Nature
    Post-synthetic modification

    PSM is one of the most widely used methods of modifying the structure of crystalline porous materials, potentially enabling the properties of functional COFs to be optimi… See more

    Nature
    Conclusions and outlook

    In this Review, we have highlighted research progress in the development of imine and imine-derived linkage chemistry in 2D COFs. Thus far, more than forty kinds of covalent … See more

    Nature
    Feedback
    Table of Contents
    Introduction
    Imine and imine-derived linkages
    De novo synthesis
    Post-synthetic modification
    Conclusions and outlook
    How do amine linkages work in a COF backbone?
     
  1. Nature
    https://www.nature.com/articles/s41557-02…

    Linkage conversions in single-crystalline covalent …

    WEBSep 18, 2023 · The as-synthesized and desolvated materials undergo single-crystal-to-single-crystal transformation by reduction and oxidation of its imine linkages to amine and amide ones, respectively.

  2. Images of amine linkage

    bing.com/images

    Explore

    See all images
  3. Chemistry LibreTexts
    https://chem.libretexts.org/Bookshelves/Organic...

    21.7: Chemistry of Amides - Chemistry LibreTexts

  4. ScienceDirect
    https://www.sciencedirect.com/science/article/pii/S2451929418302122

    Covalent Organic Frameworks Linked by Amine Bonding for …

  5. Nature
    https://www.nature.com/articles/s41570-022-00437-y...
    [PDF]

    Imine and imine-derived linkages in two-dimensional covalent …

  6. Wiley Online Library
    https://onlinelibrary.wiley.com/doi/10.1002/a…

    Chemical Conversion and Locking of the Imine Linkage: …

    WEBJan 25, 2021 · However, to ensure the generation of more robust, functional, and conjugated materials, alternative linkages based on the chemical locking and conversion of the imine bond have been devised. …

  7. ACS Publications
    https://pubs.acs.org/doi/10.1021/jacs.9b08017

    Aminal-Linked Covalent Organic Frameworks through …

    WEBSep 6, 2019 · The aminal linkage is found to favor reservation of photophysical property of the monomers due to its tetrahedral geometry and nonconjugated feature. These aminal-COFs exhibit good thermal …

  8. National Center for Biotechnology Information
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7953377

    Amine-Linked Covalent Organic Frameworks as a Platform for ...

  9. Wikipedia
    https://en.wikipedia.org/wiki/Amine

    Amine - Wikipedia

  10. thermofisher.com
    https://www.thermofisher.com/us/en/home/life...

    Amine-Reactive Crosslinker Chemistry - Thermo Fisher Scientific