Related Experiment Video
Updated: Jul 15, 2026

Syntheses, Crystallization, and Spectroscopic Characterization of 3,5-Lutidine N-Oxide Dehydrate
Published on: April 24, 2018
4,4'-Bipyridyl N,N'-dioxide-3-hydroxy-2-naphthoic acid (1/2)
1Department of Chemistry and Chemical Engineering, Minjiang University, Fuzhou, Fujian 350108, People's Republic of China. loubenyong@163.com
This study details the formation of a novel three-component adduct between 4,4-Bipyridyl N,N-dioxide and 3-hydroxy-2-naphthoic acid. The resulting crystal structure forms a 2D layer stabilized by pi-pi interactions, further extended into a 3D network via C-H...O bonds.
Area of Science:
- Crystal engineering
- Supramolecular chemistry
- Materials science
Background:
- 4,4-Bipyridyl N,N-dioxide is a versatile ligand in coordination chemistry.
- 3-hydroxy-2-naphthoic acid is a useful organic building block for supramolecular assemblies.
- Co-crystallization is a key strategy for designing novel materials with tailored properties.
Purpose of the Study:
- To synthesize and characterize a new supramolecular adduct of 4,4-Bipyridyl N,N-dioxide and 3-hydroxy-2-naphthoic acid.
- To investigate the crystal structure and intermolecular interactions governing the assembly.
- To explore the potential for creating extended network structures.
Main Methods:
- Single-crystal X-ray diffraction analysis.
- Crystallographic structure determination.
- Analysis of non-covalent interactions (pi-pi stacking, C-H...O hydrogen bonds).
Main Results:
- A centrosymmetric three-component adduct, C(10)H(8)N(2)O(2).2C(11)H(8)O(3), was successfully synthesized and characterized.
- The crystal structure reveals a two-dimensional layer architecture facilitated by pi-pi interactions between the aromatic systems.
- Weak C-H...O interactions bridge these layers, leading to a stable three-dimensional supramolecular network.
Conclusions:
- The co-crystallization of 4,4-Bipyridyl N,N-dioxide and 3-hydroxy-2-naphthoic acid yields a well-defined supramolecular adduct.
- The interplay of pi-pi stacking and C-H...O interactions is crucial for the hierarchical assembly of the crystal structure.
- This study demonstrates a rational approach to constructing complex 3D supramolecular architectures from simple organic building blocks.
More Related Videos
12:07Microwave-assisted Intramolecular Dehydrogenative Diels-Alder Reactions for the Synthesis of Functionalized Naphthalenes/Solvatochromic Dyes
Published on: April 1, 2013
07:30A Direct, Regioselective and Atom-Economical Synthesis of 3-Aroyl-N-hydroxy-5-nitroindoles by Cycloaddition of 4-Nitronitrosobenzene with Alkynones
Published on: January 21, 2020
Related Concept Videos
ortho–para-Directing Activators: –CH3, –OH, –⁠NH2, –OCH3
[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction
Five-Membered Heterocyclic Aromatic Compounds: Overview
Hydrolysis of Chlorobenzene to Phenol: Dow Process
Diazonium Group Substitution: –OH and –H
Preparation of Diols and Pinacol Rearrangement
The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.