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Nomenclature of Carboxylic Acid Derivatives: Amides and Nitriles01:11

Nomenclature of Carboxylic Acid Derivatives: Amides and Nitriles

4.3K
Naming Amides
The IUPAC and common names of amides are derived from the parent carboxylic acid, by replacing the suffix “oic acid” and “ic acid,” respectively, with “amide.” In the following example, the IUPAC name ethanamide is derived from ethanoic acid, and the common name, acetamide, is obtained from acetic acid.
4.3K
Chemical Ionization (CI) Mass Spectrometry01:21

Chemical Ionization (CI) Mass Spectrometry

838
The molecular ion peak of a molecule in the mass spectrum provides vital information for molecular identification. However, conventional electron impact ionization can lead to the rapid dissociation of some molecular ions before they reach the detector. A milder ionization method is required to increase the lifetime of such ionized analyte molecules. Chemical ionization (CI) is a gas-phase protonation reaction useful for mass-analyzing analyte molecules that are easily protonated to yield the...
838
Carbon Skeletons01:12

Carbon Skeletons

108.9K
Life on Earth is carbon-based, as all macromolecules that make up living organisms contain carbon atoms. All organic compounds have a carbon backbone. Each carbon atom is tetravalent and can bond with four other atoms, making it an extraordinarily flexible component of biological molecules. Because carbon’s valence electrons are stable, it rarely becomes an ion. As the carbon chain increases in length, structural modifications such as ring structures, double bonds, and branching side...
108.9K
Preparation of Amides01:29

Preparation of Amides

3.2K
Amides are synthesized by treating carboxylic acids with amines in the presence of dehydrating agents like dicyclohexylcarbodiimide (DCC).
The DCC-promoted synthesis of amides begins with the protonation of DCC by carboxylic acid. The protonation makes it a better acceptor. Next, the addition of carboxylate to the protonated carbodiimide gives a reactive acylating agent.
Subsequently, the amine acts as a nucleophile that attacks the acylating agent to form a tetrahedral intermediate. In the...
3.2K
Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

1.1K
Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
1.1K
Structures of Carboxylic Acid Derivatives01:28

Structures of Carboxylic Acid Derivatives

2.8K
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...
2.8K

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Updated: Sep 3, 2025

Isolating Free Carbenes, their Mixed Dimers and Organic Radicals
10:44

Isolating Free Carbenes, their Mixed Dimers and Organic Radicals

Published on: April 19, 2019

11.0K

分子炭素イミド

Wei Jiang1, Zhaohui Wang1

  • 1Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China.

Journal of the American Chemical Society
|July 29, 2022
PubMed
まとめ
この要約は機械生成です。

分子炭素イミド (MCI) は,ユニークな性質と調節可能な構造を持つ新しいナノ炭素のクラスです. 合成と応用に関するさらなる研究,特にキラルとスピン・エレクトロニクスにおいて,その潜在能力を完全に発揮するには不可欠です.

さらに関連する動画

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
09:22

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

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Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture
08:00

Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture

Published on: September 29, 2023

2.6K

関連する実験動画

Last Updated: Sep 3, 2025

Isolating Free Carbenes, their Mixed Dimers and Organic Radicals
10:44

Isolating Free Carbenes, their Mixed Dimers and Organic Radicals

Published on: April 19, 2019

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Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
09:22

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

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Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture
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Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture

Published on: September 29, 2023

2.6K

科学分野:

  • 先進的な材料科学
  • オーガニックの電子機器
  • ナノテクノロジー

背景:

  • ナノ炭素は過去30年間に 科学に革命をもたらしました
  • 分子炭素イミド (MCI) は,正確なサイズ,形状,エッジ制御を持つ新興ナノ炭素です.
  • リレン基の炭素のイミド機能化により,調節可能な構造と安定性などのユニークな性質が得られます.

研究 の 目的:

  • MCIにおける分子設計の進化をレビューする.
  • MCIの多様な性質と応用を強調する.
  • MCIの将来の研究方向性を特定する.

主な方法:

  • MCIのための分子設計戦略の探索.
  • 様々なMCIアーキテクチャ (1D,2D,クロス次元) の合成と特徴付け
  • 充電輸送,光電変換,およびキラル発光におけるMCIアプリケーションのレビュー.

主要な成果:

  • MCIは柔軟な合成と 量身の定めた構造と 多様な特性を備えています
  • 結合されたπアーキテクチャを持つ多サイズおよび多次元MCIのライブラリが開発されました.
  • MCIは,電荷輸送,光電気変換,およびキラル発光に希望を示しています.

結論:

  • MCIは大きな可能性を秘めているが,まだほとんど活用されていない.
  • 結合/環閉反応の進歩は,MCIの開発に不可欠です.
  • 将来の研究は,MCIのキラル・エレクトロニクス,スピン・エレクトロニクス,AI主導の予測に焦点を当てるべきです.