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Updated: Jun 1, 2026
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Continuous Flow Chemistry: Reaction of Diphenyldiazomethane with p-Nitrobenzoic Acid
Published on: November 15, 2017
2,2'-[1,1'-(Octane-1,8-diyldioxy-dinitrilo)diethyl-idyne]diphenol
Wen-Kui Dong1, Jun-Feng Tong, Jian Yao
1School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, People's Republic of China.
Summary
This study details the crystal structure of a novel organic compound, C(24)H(32)N(2)O(4). The molecule exhibits unique hydrogen bonding patterns, forming ribbon-like supramolecular structures in its solid state.
Area of Science:
- Crystallography
- Supramolecular Chemistry
- Organic Chemistry
Background:
- Understanding molecular interactions is crucial in materials science.
- Hydrogen bonding plays a key role in crystal engineering.
- Supramolecular assemblies influence material properties.
Purpose of the Study:
- To elucidate the crystal structure of the title compound, C(24)H(32)N(2)O(4).
- To investigate the role of intra- and inter-molecular hydrogen bonding.
- To characterize the resulting supramolecular architecture.
Main Methods:
- Single-crystal X-ray diffraction analysis.
- Analysis of hydrogen bonding networks (O-H⋯N and C-H⋯O).
- Identification of supramolecular motifs (S(6) and R(2)(2)(40) rings).
Main Results:
- The compound C(24)H(32)N(2)O(4) crystallizes with a central inversion center.
- Intramolecular O-H⋯N hydrogen bonds form six-membered S(6) rings.
- Weak intermolecular C-H⋯O hydrogen bonds create R(2)(2)(40) motifs, leading to 1D supramolecular ribbons.
Conclusions:
- The crystal structure of C(24)H(32)N(2)O(4) is fully characterized.
- Hydrogen bonding dictates the formation of specific supramolecular structures.
- The observed 1D ribbon assemblies provide insights into crystal engineering strategies.
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Overview
Alcohols are one of the most important functional groups in organic chemistry. The name of alcohol comes from the hydrocarbon from which it is derived. Alcohols are organic molecules containing the functional hydroxyl or –OH group directly bonded to carbon. Phenols have an OH group directly attached to a benzene ring. While alcohols are colorless, phenol is a white crystalline compound with a characteristic "hospital smell" odor.
As with other organic compounds, alcohols and phenols...
Alcohols are one of the most important functional groups in organic chemistry. The name of alcohol comes from the hydrocarbon from which it is derived. Alcohols are organic molecules containing the functional hydroxyl or –OH group directly bonded to carbon. Phenols have an OH group directly attached to a benzene ring. While alcohols are colorless, phenol is a white crystalline compound with a characteristic "hospital smell" odor.
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The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.
The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.
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Introduction
Conjugated dienes are compounds characterized by the presence of alternating double and single bonds. In a conjugated system like 1,3-butadiene, the unhybridized 2p orbital on each carbon overlaps continuously, allowing the π electrons to be delocalized across the entire molecule. In contrast, this type of overlap does not occur in cumulated and isolated dienes, such as 2,3-pentadiene and 1,4-pentadiene, respectively. Instead, the π electrons remain localized between the double...
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Conformation
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Characteristics of the diene
Conformation
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