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Related Concept Videos

Overview of Advanced Functional Groups02:22

Overview of Advanced Functional Groups

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Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
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Organic Compounds03:02

Organic Compounds

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All living things are formed mostly of carbon compounds called organic compounds. The category of organic compounds includes both natural and synthetic compounds that contain carbon. Although a single, precise definition has yet to be identified by the chemistry community, most agree that a defining trait of organic molecules is the presence of carbon as the principal element, bonded to hydrogen and other carbon atoms. However, some carbon-containing compounds such as carbonates, cyanides, and...
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Hydrogen Bonds01:04

Hydrogen Bonds

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A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
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Functional Groups02:45

Functional Groups

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Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
83.6K
Introduction to Functional Groups02:08

Introduction to Functional Groups

30.7K

Functional groups are group of atoms with specific chemical properties that occur within organic molecules and sometimes denoted as “R”. Functional groups are found along the carbon backbone of macromolecules can form chains or rings of carbon atoms. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.  
Types of common functional groups
The table below summarizes some of the major functional...
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Structures of Carboxylic Acid Derivatives01:28

Structures of Carboxylic Acid Derivatives

2.9K
Structure of Carboxylic Acid Derivatives
Carboxylic acid derivatives contain an acyl group attached to a heteroatom such as chlorine, oxygen, or nitrogen. The carbonyl carbon and oxygen are both sp2-hybridized with an unhybridized p orbital.
The three sp2 orbitals of the carbonyl carbon form three σ bonds, one each with the carbonyl oxygen, the α carbon, and the heteroatom, whereas the other two sp2 orbitals of the carbonyl oxygen are occupied by the lone pairs. Further, the...
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Synthesis and Characterization of Functionalized Metal-organic Frameworks
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Hydrogen-Bonded Organic Frameworks: Functionalized Construction Strategy by Nitrogen-Containing Functional Group.

Zhiwen Fan1, Yingbing Zou1, Chulong Liu1

  • 1Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou, 350007, P. R. China.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|April 12, 2022
PubMed
Summary

Nitrogen-containing monomers are key to creating advanced hydrogen-bonded organic frameworks (HOFs). These functionalized porous materials show promise in gas adsorption, molecular recognition, and biomedical applications.

Keywords:
functionalizedhydrogen-bonded organic framework materialsnitrogen-containing functional groupsporous materials

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Area of Science:

  • Materials Science
  • Supramolecular Chemistry
  • Nanotechnology

Background:

  • Hydrogen-bonded organic frameworks (HOFs) are rapidly developing materials constructed via intermolecular hydrogen bonding.
  • Nitrogen-containing functional groups are favored for designing HOFs due to strong hydrogen bonding and versatile binding sites.
  • These properties enable customization of functionalized porous materials.

Purpose of the Study:

  • To systematically review nitrogen-containing monomers for HOF construction.
  • To elucidate the principles behind HOF construction using these monomers.
  • To summarize design advantages and diverse applications of nitrogen-based HOFs.

Main Methods:

  • Review of literature on nitrogen-containing monomers for HOFs.
  • Analysis of HOF construction principles based on intermolecular forces.
  • Compilation of applications in gas adsorption, molecular recognition, and beyond.

Main Results:

  • Identification of various nitrogen-containing monomers for HOF synthesis.
  • Demonstration of design advantages from an elemental perspective.
  • Cataloging of HOF applications including gas separation, molecular recognition, plasmonic conductivity, biomedical uses, and luminescence.

Conclusions:

  • Nitrogen-containing monomers are crucial for developing advanced HOFs.
  • HOFs exhibit significant potential across multiple scientific and technological fields.
  • Future research directions and development prospects are outlined.